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American football
Pats-Eagles-2007-GiletteStadium.jpg
The New England Patriots (blue) playing offense, against the Philadelphia Eagles (white) in an NFL game.
Nickname(s) Football, Tackle football, Gridiron football
First played November 6, 1869, Rutgers vs. Princeton
Characteristics
Contact Collision
Team members 11 at a time
Categorization Outdoor
Equipment Football
Olympic No
.American football, known in the United States simply as football and often as gridiron or tackle football outside the United States, is a competitive team sport known for combining strategy with physical play.^ What is the most popular sport in the United States?
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

^ Football is the preeminent spectator sport in the United States.
  • Football (American) - World of Sports Science 9 October 2009 7:58 UTC www.faqs.org [Source type: FILTERED WITH BAYES]

^ American football is also played outside the United States.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.The objective of the game is to score points by advancing the ball into the opposing team's end zone.^ The object of the game is to score points by advancing the football into the opposing team's end Baseball A sport played between two teams of nine players each.

^ The officials then place the ball at the point where the team has ended up.

^ It is scored when a player runs the ball into or catches a pass in his opponent's end zone.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.The ball can be advanced by carrying it (a running play) or by throwing it to a teammate (a passing play).^ The ball can be advanced by carrying the ball, or by throwing or handing it from one teammate to the other.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football - Zimbio 19 January 2010 9:47 UTC www.zimbio.com [Source type: General]

^ THE PASS The other alternative to running the ball is to throw it.
  • American football - a knol by Anonymous 19 January 2010 9:47 UTC knol.google.com [Source type: General]

^ Whether he was throwing the ball or running with it, Baxter was making big plays.
  • Baxter tops Medium Schools All-American Football Team - MaxPreps News 19 January 2010 9:47 UTC www.maxpreps.com [Source type: General]

.Points can be scored in a variety of ways, including carrying the ball over the opponent's goal line, catching a pass thrown over that goal line, kicking the ball through the goal posts at the opponent's end zone, or tackling an opposing ball carrier within his end zone.^ If the offense successfully kicks the ball through the goal posts, it earns one point.
  • American football - a knol by Anonymous 19 January 2010 9:47 UTC knol.google.com [Source type: General]

^ A field goal (FG) is worth 3 points, and it is scored by kicking the ball over the crossbar and through the goal posts (uprights).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The football can be advanced by throwing it to another player which is known as a passing play or carrying it which is known as a running play Football points can be scored in many different ways, including catching a pass over the goal line, carrying the ball over the goal line, tackling a football player in his own end zone, or a kicker kicking ...
  • American Football - Blogs, Pictures, and more on Blogged 19 January 2010 9:47 UTC www.blogged.com [Source type: General]

.The winner is the team with the most points when the time expires.^ The team with the most points when time runs out wins.
  • Overview of the Rules of American Football: How to Play American Football | eHow.com 19 January 2010 9:47 UTC www.ehow.com [Source type: General]

^ The winner is the team with the most points when the time expires.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ The winner is the team with the most points when time expires at the end of the last play.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.American football is closely related to Canadian football, but with significant differences.^ It is totally different in Canadian football.
  • Football Option - American and Canadian football 19 January 2010 9:47 UTC www.footballoption.com [Source type: FILTERED WITH BAYES]

^ American and Canadian football: How different are they?
  • Football Option - American and Canadian football 19 January 2010 9:47 UTC www.footballoption.com [Source type: FILTERED WITH BAYES]

^ Stories related to American Football Conference .
  • American Football Conference | NBC Bay Area 19 January 2010 9:47 UTC www.nbcbayarea.com [Source type: General]

[1]
.In the United States, the major forms are high school football, college football and professional football, which are essentially similar but feature slightly different rules.^ In college football and high school football, the defense is also credited with a quarterback sack.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ This applies to college and professional football.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Football also is extremely popular in U.S. high schools.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

[2]
.High school football is governed in the U.S. by the National Federation of State High School Associations.^ NCAA institutions in turn obtain their players from the thousands of high school programs operating in the United States.
  • Football (American) - World of Sports Science 9 October 2009 7:58 UTC www.faqs.org [Source type: FILTERED WITH BAYES]

^ In college football and high school football, the defense is also credited with a quarterback sack.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Mo Elewonibi - Didn't play football until after high school.
  • BYUCougars.com - BYU Football All-American Athletes 19 January 2010 9:47 UTC www.byucougars.com [Source type: General]

.College football is governed in the U.S. by two bodies; the National Collegiate Athletic Association and the National Association of Intercollegiate Athletics.^ College Football is organised at two levels.
  • Resources for (American) Football in the USA 19 January 2010 9:47 UTC sportsvl.com [Source type: News]

^ The three colleges also founded the original Intercollegiate Football Association (IAA).
  • Athlete Rating - AllSportRating.com - American Football Athlete Rating 19 January 2010 9:47 UTC allsportrating.com [Source type: General]

^ [Credits : Courtesy of the National Collegiate Athletic Association] Gridiron football game.
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

.The major league for professional football is the National Football League.^ Adam "Pacman" Jones is a professional football player in the National Football League .

^ Probably because of the game's origins in an intercollegiate rivalry between Rutgers and Princeton, the Ivy League football teams were long held to be the nation's most important.
  • Football: College – FREE Football: College information | Encyclopedia.com: Find Football: College research 9 October 2009 7:58 UTC www.encyclopedia.com [Source type: General]

^ November 6th, 1869 (Rutgers vs. Princeton) What’s the National Football League about?

.Over the years, there have been other notable professional football leagues, including the All America Football Conference during the 1940s, the American Football League during the 1960s, the United States Football League during the 1980s, and the currently active United Football League.^ American football is also played outside the United States.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ All American Football Team 2002 .
  • AYF - American Youth Football & Cheer 19 January 2010 9:47 UTC www.myayf.com [Source type: News]

^ Why is american football so popular in America?
  • WikiAnswers - Why is american football so popular in America 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.The sport is also played outside the United States.^ What is the most popular sport in the United States?
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

^ American football is also played outside the United States.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Initially a sport of Midwestern, industrial towns in the United States, professional football eventually became a national phenomenon.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.National professional and collegiate leagues exist in United Kingdom, Germany, Italy,[3] Switzerland,[4] Finland, Sweden,[5] Japan, Mexico, Israel,[6] Spain, Austria,[7] and several Pacific Island nations.^ The next season, in 1921, they officially changed to the National Football League (NFL), and several more teams joined the league, bringing the amount of teams to 22.
  • The History of American Football | PlayerPress.com - Sports Commentary, News, Blogs, Photos, Videos by Pro Athletes and Fans 19 January 2010 9:47 UTC www.playerpress.com [Source type: General]

^ Italian Under-18 National Team European Under-18 Cup ( EFAF ) Finland at Italy - Semi-Final Highlight Film Part 3 - (MPEG 31 mg) .
  • Eddie Donovan American Football 19 January 2010 9:47 UTC www.eddiedonovan.com [Source type: General]

^ In 1920 the American Professional Football Association (renamed the National Football League [NFL] in 1922) was organized.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

.The International Federation of American Football acts as an international governing body for the sport on five continents, but the organization has little standing in the United States compared to the other bodies and leagues mentioned above.^ What is the most popular sport in the United States?
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

^ American Football League (1936-37) .
  • American Football League - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: General]

^ Football is also the most watched sport on television in the United States.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

Contents

History

An American football team at the turn of the twentieth century
.The history of American football can be traced to early versions of rugby football and association football.^ Football (the American version) - SEO Chat .
  • Football (the American version) - SEO Chat 19 January 2010 9:47 UTC forums.seochat.com [Source type: FILTERED WITH BAYES]

^ The American Football has its roots that arise from rugby.

^ Main article: History of American football The history of American football can be traced to early versions of rugby football and soccer.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.Both games have their origins in varieties of football played in the United Kingdom in the mid-19th century, in which a ball is kicked at a goal and/or run over a line.^ Football in Canada The play of the game .
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ Both American football and soccer have their origins in varieties of football played in the United Kingdom in the mid-19th century, and American football is directly descended from rugby football .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Football is a game played all over the world in which people use their feet to kick a ball.
  • Can you name the primary American football positions? - sporcle 19 January 2010 9:47 UTC www.sporcle.com [Source type: General]

.Many games known as "football" were being played at colleges and universities in the United States in the first half of the 19th century.^ Football in Canada The play of the game .
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ American football is also played outside the United States.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Will play his college football at USC. .
  • statesman.com | Sports | Recruiting - 2003 EA SPORTS All-American Football Team 19 January 2010 9:47 UTC statesman.rivals.com [Source type: News]

[8][9]
Walter Camp
.American football resulted from several major divergences from rugby football, most notably the rule changes instituted by Walter Camp, considered the "Father of American Football". Among these important changes were the introduction of the line of scrimmage and of down-and-distance rules.^ The rules of American football .
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ Walter Camp and the creation of American football - - Managing the violence of the game .
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ The creation of the line of scrimmage and the snap from a center to the quarterback was Camp's most famous change.
  • The History of American Football | PlayerPress.com - Sports Commentary, News, Blogs, Photos, Videos by Pro Athletes and Fans 19 January 2010 9:47 UTC www.playerpress.com [Source type: General]

.In the late 19th and early 20th centuries, game play developments by college coaches such as Eddie Cochems, Amos Alonzo Stagg, Knute Rockne, and Glenn "Pop" Warner helped take advantage of the newly introduced forward pass.^ Knute Rockne and the influence of coaches - Birth and early growth of professiona...
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ In the late 19th and early 20th centuries, gameplay developments by college coaches such as Amos Alonzo Stagg, Knute Rockne, and Glenn "Pop" Warner helped take advantage of the newly introduced forward pass.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The Americans introduced end zones, play formations and stoppage of play every time a player was down, and the forward pass to make the game into a game of extreme strategy, a game that would challenge the minds of the college students that played the game at the time.
  • American Football? - Yahoo! Answers 19 January 2010 9:47 UTC answers.yahoo.com [Source type: General]

.The popularity of collegiate football grew as it became the dominant version of the sport for the first half of the twentieth century.^ The popularity of collegiate football grew as it became the dominant version of the sport for the first half of the twentieth century.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Is football the most popular sport in the world?
  • WikiAnswers - Why is american football so popular in America 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ Why is football such a popular sport?
  • WikiAnswers - Why is american football so popular in America 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.Bowl games, a college football tradition, attracted a national audience for collegiate teams.^ Bowl games, a college football tradition, attracted a national audience for collegiate teams.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Super Bowl results College football national champions .
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ Football in the 1920s was the quintessential college game.
  • Football: College – FREE Football: College information | Encyclopedia.com: Find Football: College research 9 October 2009 7:58 UTC www.encyclopedia.com [Source type: General]

Bolstered by fierce rivalries, college football still holds widespread appeal in the US.[8][10][11]
.The origin of professional football can be traced back to 1892, with William "Pudge" Heffelfinger's $500 contract to play in a game for the Allegheny Athletic Association against the Pittsburgh Athletic Club.^ Football in Canada The play of the game .
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ Bolstered by fierce rivalries, college football still holds widespread appeal in the US. The origin of professional football can be traced back to 1892, with William "Pudge" Heffelfinger's $500 contract to play in a game for the Allegheny Athletic Association against the Pittsburgh Athletic Club.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ At the time it was the longest professional football championship game ever played.
  • American Football League - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: General]

.The first Professional "league" was the Ohio League, formed in 1903, and the first Professional Football championship game was between the Buffalo Prospects and the Canton Bulldogs in 1919. In 1920, the American Professional Football Association was formed.^ The NFL (National Football League) evolved from an earlier league, the APFA (American Professional Football Association) in...
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ The National Football League was founded in 1920 under the name American Professional Football Association.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ (See also: List of leagues of American football ).
  • Athlete Rating - AllSportRating.com - American Football Athlete Rating 19 January 2010 9:47 UTC allsportrating.com [Source type: General]

.The first game was played in Dayton, Ohio on October 3, 1920 with the host Triangles defeating the Columbus Panhandles 14–0. The league changed its name to the National Football League (NFL) two years later, and eventually became the major league of American football.^ Yet American football is one of the slowest games to be played.
  • Football Vs American Football 19 January 2010 9:47 UTC www.trap17.com [Source type: General]

^ Football in Canada The play of the game .
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ American football is also played in many nations around the world.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Initially a sport of Midwestern industrial towns in the United States, professional football eventually became a national phenomenon.^ What is the most popular sport in the United States?
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

^ Football is also the most watched sport on television in the United States.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Initially a sport of Midwestern, industrial towns in the United States, professional football eventually became a national phenomenon.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.Football's increasing popularity is usually traced to the 1958 NFL Championship Game, a contest that has been dubbed the "Greatest Game Ever Played". A rival league to the NFL, the American Football League (AFL), began play in 1960; the pressure it put on the senior league led to a merger between the two leagues and the creation of the Super Bowl, which has become the most watched television event in the United States on an annual basis.^ Yet American football is one of the slowest games to be played.
  • Football Vs American Football 19 January 2010 9:47 UTC www.trap17.com [Source type: General]

^ Football in Canada The play of the game .
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ Walter Camp and the creation of American football - - Managing the violence of the game .
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

[12]

Rules

Field and players

The numbers on the field indicate the number of yards to the nearest end zone.
.American football is played on a field 360 by 160 feet (109.7 by 48.8 m).^ Field and players The numbers on the field indicate the number of yards to the nearest end zone.American football is played on a field 360 by 160 feet (109.7 m 48.8 m) wide.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The American football field .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Downs, or plays, are the cornerstone of American Football.

[13] .The longer boundary lines are sidelines, while the shorter boundary lines are end lines.^ The longer boundary lines are sidelines, while the shorter boundary lines are end lines.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The longer boundary lines are sidelines , while the shorter boundary lines are end lines .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The sidelines and end-lines border the field.

.Sidelines and end lines are out of bounds.^ The sidelines and end-lines border the field.

^ A play can also end after an 'incomplete pass', which occurs when the ball hits the ground before it can be caught by the intended player, or if the ball goes 'out of bounds' by touching the sideline or endline.

^ The longer boundary lines are sidelines , while the shorter boundary lines are end lines .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Near each end of the field is a goal line; they are 100 yards (91.4 m) apart.^ Near each end of the field is a goal line; they are 100 yards (91.4 m) apart.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The sidelines and end-lines border the field.

^ Near each end of the field is a goal line ; they are 100 yards apart.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.A scoring area called an end zone extends 10 yards (9.1 m) beyond each goal line to each end line.^ A scoring area called an end zone extends 10 yards (9.1 m) beyond each goal line to each end line.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ At the edge of the end zones are the end lines.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The areas at each end of the field which begin with the 'zero-line' are called the 'end zones'.

.The end zone includes the goal line but not the end line.^ At the edge of the end zones are the end lines.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ On the back lines of the end zones are the goalposts.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The field is the same size, but the inbound lines are only 16.35 metres (53 feet 4 inches) in from the sidelines, and the goal line is the equivalent of the end line on the professional field.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

[13] .While the playing field is effectively flat, it is common for a field to be built with a slight crown—with the middle of the field higher than the sides—to allow water to drain from the field.^ Cover 3 definition zone pass defense where the field is divided into three deep zones which are covered by the free safety (middle) and two corners (sides) .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ In professional football, a player must have both feet inbounds (on the field of play) while in possession of the ball, the college game allows for only foot to be inbounds.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ No more than two or three "A" players were allowed on the field, and in countries like Finland , teams also had to provide a local quarterback.
  • Athlete Rating - AllSportRating.com - American Football Athlete Rating 19 January 2010 9:47 UTC allsportrating.com [Source type: General]

.Yard lines cross the field every 5 yards (4.6 m), and are numbered every 10 yards from each goal line to the 50-yard line, or midfield (similar to a typical rugby league field).^ Yard lines cross the field every 5 yards, and are numbered from each goal line to the 50-yard line, or midfield (similar to a typical rugby league field).
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Yard lines cross the field every 5 yards (4.6 m), and are numbered every 10 yards from each goal line to the 50-yard line, or midfield (similar to a typical rugby league field).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The field is divided into strips by white lines, which are marked every 10 yards.

.Two rows of short lines, known as inbounds lines or hash marks, run at 1-yard (91.4 cm) intervals perpendicular to the sidelines near the middle of the field.^ Progress is marked by yard lines.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ Near each end of the field is a goal line; they are 100 yards (91.4 m) apart.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Two rows of lines, known as hash marks parallel the side lines near the middle of the field.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

.All plays start with the ball on or between the hash marks.^ All plays start with the ball on or between the hash marks.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The first documented game between all-black colleges was played in 1892 in North Carolina between Biddle University and Livingston College.
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

^ It is believed that the first game that was played in North America was based on ‘Soccer’ rules and it was played between 'Princeton' and 'Rutgers', however, it is widely known that this game in America was started with rugby not soccer.

.Because of the arrangement of the lines, the field is occasionally referred to as a gridiron.^ The American football field is often called the gridiron because the markings on the field resemble that type of grill that can be used to cook food over a fire.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ In Australia and New Zealand the game is known as gridiron football, although in the United States the term gridiron refers only to the playing field itself.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.At the back of each end zone are two goalposts (also called uprights) connected by a crossbar 10 feet (3.05 m) from the ground.^ Behind the end zone are two upright posts called "The Two Upright Posts Behind The End Zone".
  • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

^ The posts are connected by a crossbar 10 feet from the ground.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ At the back of each end zone are two goal posts (also called uprights ) that are 18.5 feet apart (24 feet in high school).
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.For high skill levels, the posts are 18 feet 6 inches (5.64 m) apart.^ The posts are, for high skill levels 222 inches (5.64 m) apart.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Texas QB Colt McCoy has the skills needed to perform at a high level, but can he guide the Longhorns back to the Big 12 title?

^ At the back of each end zone are two goal posts (also called uprights ) that are 18.5 feet apart (24 feet in high school).
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.For lower skill levels, these are widened to 23 feet 4 inches (7.11 m).^ For lower skill levels, these are widened to 280 inches (7.11 m).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The posts are, for high skill levels 222 inches (5.64 m) apart.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ In college football there is a 7.1 metre (23 feet 4 inches) width between the goalpost uprights.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.Each team has 11 players on the field at a time.^ Each team has 11 players on the field at a time.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Each team has eleven players on the field at any time.
  • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

^ Only 11 players are on the field from one team at any one time.
  • American football - a knol by Anonymous 19 January 2010 9:47 UTC knol.google.com [Source type: General]

.Usually there are many more players off the field.^ Many schools will recruit him to play quarterback in college, and he's got the tools to be special there, but there's no denying his freakish athletic ability in the open field.
  • Rivals.com Football Recruiting - Rivals.com Junior All-American Team 19 January 2010 9:47 UTC footballrecruiting.rivals.com [Source type: General]

^ Players only carried off field on stretchers for real, serious injuries.
  • Football Vs American Football 19 January 2010 9:47 UTC www.trap17.com [Source type: General]

^ Oh yeah, and you left off Jeff Garcia on the list of players who got there start here .
  • Earl Pomerantz: "Why Canadian Football Is Better Than American Football? 19 January 2010 9:47 UTC www.huffingtonpost.com [Source type: General]

.There are at least 46 active players on an NFL team.^ NFL teams are permitted to have 53 players on their team.

^ How many players are NFL teams allowed to have on their roster?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ An easy one, there are 8 states that more then one NFL teams play their home games there, name the 8 states?
  • Football (American) Questions and Answers 19 January 2010 9:47 UTC www.sports1234.com [Source type: General]

.However, if time allows, teams may substitute for any or all of their players during the breaks between plays.^ Each team has 11 players on the field at a time.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Each team has eleven players on the field at any time.
  • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

^ However, teams may substitute for any or all of their players, if time allows, during the break between plays.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.As a result, players have very specialized roles and are divided into three separate units: the offense, the defense and the special teams.^ Scheme definition offense, defense, and special teams play books .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Thus, teams are divided into three separate units: the offense, the defense and the special teams.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Thus, teams are divided into three separate units: the offense , the defense and the special teams (see below).
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Although this is rare, in some games, almost all of the players will play during the course of the game.^ A football player during a game .
  • American football Clipart EPS Images. 61 American football clip art vector illustrations available to search from over 15 royalty free illustration publishers. 19 January 2010 9:47 UTC www.fotosearch.com [Source type: General]

^ Players playing a game of American Football .
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  • American football Clipart EPS Images. 61 American football clip art vector illustrations available to search from over 15 royalty free illustration publishers. 19 January 2010 9:47 UTC www.fotosearch.com [Source type: General]

^ By the late 1930s the typical arrangement was to hold out the black players for games played in the segregated South but to allow them to play at home, an accommodation that continued into the 1950s.
  • gridiron football (sport) :: The racial transformation of American football -- Britannica Online Encyclopedia 19 January 2010 9:47 UTC www.britannica.com [Source type: General]

Start of halves

.Similarly to association football, the game begins with a coin toss to determine which team will kick off to begin the game and which goal each team will defend.^ Kick-off team When kicking off, the kicker has a defensive team.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The team making the point after always restarts the game with a kick-off.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Start of halves Similar to association football, the game begins with a coin toss to determine who will kick off to begin the games and which goal each team will defend.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

[14] .The options are presented again to start the second half; the choices for the first half do not automatically determine the start of the second half.^ The options will be presented again to start the second half; the choices for the first half do not automatically determine the start of the second half.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Play starts with a kick off at the start of the second half, but when the teams turn around and change ends at the start of the first and third quarters, play is started from the same position on the field as where it finished, but in the opposite half of the field.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Second level definition the second level of the defense starting with the defensive line (first level), the linebackers (second level) , and the defensive backs (third level); so-called because of their respective distances from the line of scrimmage .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.The referee conducts the coin toss with the captains (or sometimes coaches) of the opposing teams.^ The referee will conduct the coin toss with the captains (or sometimes coaches) of the opposing teams.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ To start a game, the referee will toss a coin.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Start of halves Similar to association football, the game begins with a coin toss to determine who will kick off to begin the games and which goal each team will defend.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

The team that wins the coin toss has three options:[14]
.
  1. They may choose whether to kick or receive the opening kickoff.
  2. They may choose which goal to defend.
  3. They may choose to defer the first choice to the other team and have first choice to start the second half.^ The team that wins the coin toss has three options: They may choose to either receive the opening kickoff or to kick off They may choose which goal to defend They may choose to defer the first choice to the other team and have first choice to start the second half.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ The options will be presented again to start the second half; the choices for the first half do not automatically determine the start of the second half.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ Kickoffs and free kicks Each half begins with a kickoff.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    [15]
.Whatever the first team chooses, the second team has the option on the other choice (for example, if the first team elects to receive at the start of the game, the second team can decide which goal to defend).^ The team that wins the coin toss has three options: They may choose to either receive the opening kickoff or to kick off They may choose which goal to defend They may choose to defer the first choice to the other team and have first choice to start the second half.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The options will be presented again to start the second half; the choices for the first half do not automatically determine the start of the second half.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ At the start of the second half, the options to kick, receive, or choose a goal to defend are presented to the captains again.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.At the start of the second half, the options to kick, receive, or choose a goal to defend are presented to the captains again.^ The options will be presented again to start the second half; the choices for the first half do not automatically determine the start of the second half.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ At the start of the second half, the options to kick, receive, or choose a goal to defend are presented to the captains again.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The team that wins the coin toss has three options: They may choose to either receive the opening kickoff or to kick off They may choose which goal to defend They may choose to defer the first choice to the other team and have first choice to start the second half.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.The team which did not choose first to start the first half (or which deferred its privilege to choose first) now gets first choice of options.^ The options will be presented again to start the second half; the choices for the first half do not automatically determine the start of the second half.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The team which did not choose first to start the first half (or which deferred its privilege to choose first) now gets first choice of options.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The team that wins the coin toss has three options: They may choose to either receive the opening kickoff or to kick off They may choose which goal to defend They may choose to defer the first choice to the other team and have first choice to start the second half.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

[14][16]

Game duration

.A standard football game consists of four 15-minute quarters (12-minute quarters in high-school football and often shorter at lower levels),[17] with a 12 minute half-time intermission after the second quarter.^ There is a fifteen minute break between the second and third quarters (each half of the game).
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Half-time lasts for twelve minutes and is held after the second quarter.

^ Football also is extremely popular in U.S. high schools.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

[18] .The clock stops after certain plays; therefore, a game can last considerably longer (often more than three hours in real time), and if a game is broadcast on television, TV timeouts are taken at certain intervals of the game to broadcast commercials outside of game action.^ The clock stops after certain plays; therefore, a game can last considerably longer (often more than three hours in real time).
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The clock is also stopped for time outs.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The clock stops after certain plays; therefore, a game can last considerably longer (often more than three hours in real time), and if a game is broadcast on television, TV timeouts are taken at certain intervals of the game to broadcast commercials outside of game action.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.If an NFL game is tied after four quarters, the teams play an additional period lasting up to 15 minutes.^ Games last for one hour, and this time is divided up into four fifteen minute quarters.

^ If an NFL game is tied after four quarters, the teams play an additional period lasting up to 15 minutes.
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^ If an NFL game is tied after four quarters, the teams play up to another 15 minutes.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

.In an NFL overtime game, the first team that scores wins, even if the other team does not get a possession; this is referred to as sudden death.^ In an NFL overtime game, the first team that scores wins, even if the other team does not get a possession; this is referred to as sudden death.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The object of the game is to score and be the team that scores the most.
  • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

^ In a regular-season NFL game, if neither team scores in overtime, the game is a tie.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.In a regular-season NFL game, if neither team scores in overtime, the game is a tie.^ What is the most points ever scored in a regular season game?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ In a regular-season game, if neither team scores, the game is a tie.
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^ The object of the game is to score and be the team that scores the most.
  • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

.In an NFL playoff game, additional overtime periods are played, as needed, to determine a winner.^ How do they determine where the NFL Wildcard games are played?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ In an NFL playoff game, additional overtime periods are played, as needed, to determine a winner.
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^ The NFL season includes 16 regular games, after which the winners of the three divisions in each conference, along with two "wild card" teams (the teams with the next-best record in each conference) play a four-round playoff culminating in the Super Bowl.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

.College overtime rules are more complicated and are described in Overtime (sport).^ College overtime rules are more complicated and are described at Overtime (sport) .
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ College overtime rules are more complicated and are described in Overtime (sport).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ College overtime rules are more complicated and are described in Overtime (sport) .
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.
A line of scrimmage on the 48-yard line.
^ The offensive team would lose yards because the quarterback would be behind the line of scrimmage at the time of the sack .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ A 00 technique would mean a linebacker lined up nose-to-nose with the center, only several yards off the line of scrimmage.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ This penalty is called if one of the 5 interior players is more than five yards past the line of scrimmage during a forward pass.
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The offense is on the left.
A quarterback searching for opportunity to throw a pass.
A running back being tackled when he tries to run with the ball.
A quarterback preparing to throw a pass.
Forward pass in progress, during practice.
A kicker attempts an extra point.

Advancing the ball

.Advancing the ball in American football resembles the six-tackle rule and the play-the-ball in rugby league.^ The rules of American football .
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ American football player holding ball .
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^ American Football League (1936-37) .
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.The team that takes possession of the ball (the offense) has four attempts, called downs, in which to advance the ball at least 10 yards (9.1 m) toward their opponent's (the defense's) end zone.^ If the offense fails to gain a first down, it loses possession of the ball.
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^ Two points are awarded to the offensive team when the defensive team are caught in possession of the ball in their own end zone.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The team fails to get a first down, that is, move the ball forward at least 10 yards in four downs.
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  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

.When the offense succeeds in gaining at least 10 yards, it gets a first down, meaning the team has another set of four downs to gain yet another 10 yards or to score.^ If a team does not make the 10 yards in four downs, the ball is given the defending team.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ If the offense fails to gain a first down, it loses possession of the ball.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ The team fails to get a first down, that is, move the ball forward at least 10 yards in four downs.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

.If the offense fails to gain a first down (10 yards) after 4 downs, the other team gets possession of the ball at the point where the fourth down ended, beginning with their first down to advance the ball in the opposite direction.^ If the offense fails to gain a first down, it loses possession of the ball.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ The team fails to get a first down, that is, move the ball forward at least 10 yards in four downs.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ The team that takes possession of the ball (the offense ) has four attempts, called downs , to advance the ball 10 yards towards their opponent's (the defense' s) end zone.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

.Except at the beginning of halves and after scores, the ball is always put into play by a snap.^ Except at the beginning of halves and after scores (see Kickoffs and free kicks below), the ball is always put into play by a snap .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Except at the beginning of halves and after scores, the ball is always put into play by a snap.
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^ A touchdown is scored when a player runs the ball into or catches a pass in his opponent's end zone.
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Offensive players line up facing defensive players at the line of scrimmage (the position on the field where the play begins).^ An offensive player drops the ball (a fumble ), and a defensive player picks it up.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ All players line up facing each other at the line of scrimmage (the position on the field where the play begins).
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Lineman - any player that stands on the line of scrimmage .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.One offensive player, the center, then passes (or "snaps") the ball backwards between his legs to a teammate behind him, usually the quarterback.^ Offside: A defensive or offensive player is on the wrong side of the ball when the ball is snapped.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ One offensive player, the center, then passes (or "snaps") the ball between his legs to a teammate, usually the quarterback.
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^ One ball-carrier can hand the ball to another player or throw backwards to another player.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

Players can then advance the ball in two ways:
.
  1. By running with the ball, also known as rushing.
  2. By throwing the ball to a teammate, known as a pass or as passing the football.^ Players can then advance the ball in two ways: By running with the ball, also known as rushing.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ By running with the ball, also known as rushing .
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    ^ By throwing the ball to a teammate, known as a forward pass or as passing the football.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    .If the pass is thrown down-field, it is known as a forward pass.^ (Of course, the defense may catch a forward pass, known as "intercepting", and gain possession.
    • American football@Everything2.com 19 January 2010 9:47 UTC everything2.com [Source type: General]

    ^ New rules were introduced to open up play, including ten yards for a first down, no tackling below the knees, and legalization of the forward pass.
    • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

    ^ Loss of down - A second forward pass from behind the line of scrimmage (only one forward pass is allowed in any one play) - A forward pass which touches an ineligible receiver .
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    .The forward pass is a key factor distinguishing American and Canadian football from other football sports.^ American football is a contact sport.
    • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

    ^ American football is a collision sport.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ The forward pass is a key factor distinguishing American and Canadian football from other football sports.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    .The offense can throw the ball forward only once during a down and only from behind the line of scrimmage.^ Backfield - the area behind the offenses line of scrimmage.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ The offense can throw the ball forward only once on a play and only from behind the line of scrimmage.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ The ball is returned to the most recent line of scrimmage for the next down.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    However, the ball can be handed-off to another player or thrown, pitched, or tossed sideways or backwards (a lateral pass) at any time.
A down ends, and the ball becomes dead, after any of the following:
.
  • The player with the ball is forced to the ground (a tackle) or has his forward progress halted by members of the other team (as determined by an official).
  • A forward pass flies beyond the dimensions of the field (out of bounds) or touches the ground before it is caught.^ A down ends, and the ball becomes dead, after any of the following: The player with the ball is forced to the ground (tackled) or has his forward progress halted by members of the other team (as determined by an official).
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ If a player is tackled and loses the ball before his knee, arm, or buttocks touch the ground this is called a "fumble".
    • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

    ^ After the intercepting player is tackled or forced out of bounds, his team's offensive unit returns to the field and takes over at his last position.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    .This is known as an incomplete pass.^ This is known as an incomplete pass .
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    The ball is returned to the most recent line of scrimmage for the next down.
  • The ball or the player with the ball goes out of bounds.
  • A team scores.
.Officials blow a whistle to notify players that the down is over.^ Officials blow a whistle to notify players that the down is over.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Often an official will blow a whistle to notify all players that the play is over.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ Officials blow a whistle to notify all players that the play is over.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

.Before each down, each team chooses a play, or coordinated movements and actions, that the players should follow on a down.^ Plays are the directions for what the players should do on a down.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ A team scores points by the following plays: .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ The term, play, refers to the coordinated movements and actions that the players should follow on a down.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

.Sometimes, downs themselves are referred to as "plays."^ Sometimes, downs themselves are referred to as "plays."
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The term, play, refers to the coordinated movements and actions that the players should follow on a down.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

Change of possession

The offense maintains possession of the ball unless one of the following things occurs:
.
  • The team fails to get a first down— i.e., in four downs they fail to move the ball past a line 10 yards ahead of where they got their last first down.^ If the offense fails to gain a first down, it loses possession of the ball.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ The team fails to get a first down, that is, move the ball forward at least 10 yards in four downs.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ On a team's first attempt to move the ball they will have ten yards to go.
    • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

    .The defensive team takes over the ball at the spot where the 4th-down play ends.^ The defensive team gets the ball at the spot where the previous play began (or, in the NFL, at the spot of the kick).
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ A play or down ends, and the ball becomes dead, after any of the following: .
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ A play (also called a down) ends, and the ball becomes dead, after any of the following: .
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    .A change of possession in this manner is commonly called a turnover on downs.
  • The offense scores a touchdown or field goal.^ A change of possession in this manner is commonly called a turnover on downs .
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ The offense scores a touchdown or field goal.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ A change of possession in this manner is commonly called a turnover on downs, but is not credited as a defensive "turnover" in official statistics.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    .The team that scored then kicks the ball to the other team in a special play called a kickoff.
  • The offense punts the ball to the defense.^ The number of touchdowns scored by special teams.
    • Documentation for SportsML/American Football 19 January 2010 9:47 UTC www.iptc.org [Source type: Reference]

    ^ Kick-off team When kicking off, the kicker has a defensive team.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ Special teams definition kicking-play teams .
    • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

    .A punt is a kick in which a player drops the ball and kicks it before it hits the ground.^ The difference is that a kick-off is taken from the ground, whereas a punt is kicked after dropping the ball from the hands, before it hits the ground.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ A punt is a kick in which a player drops the ball and kicks it before it hits the ground.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ A Fumble is when an offensive (and/or) defensive player is running with the ball and it pops out before his knee or shoulder is on the ground.
    • American Football For Dummies - Offtopicz 19 January 2010 9:47 UTC www.offtopicz.com [Source type: FILTERED WITH BAYES]

    .Punts are nearly always made on fourth down, when the offensive team does not want to risk giving up the ball to the other team at its current spot on the field (through a failed attempt to make a first down) and feels it is too far from the other team's goal posts to attempt a field goal.
  • A defensive player catches a forward pass.^ If a field goal is attempted and missed on third down can the team attempt another field goal on fourth down?
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    ^ This means that when the receiver catches the ball, they will not be interfered with by the defensive team.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ Punt return - the number of yards gained by the player catching the ball from the punt .
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    .This is called an interception, and the player who makes the interception can run with the ball until he is tackled, forced out of bounds, or scores.
  • An offensive player drops the ball (a fumble) and a defensive player picks it up.^ As with interceptions, a player recovering a fumble can run with the ball until tackled or forced out of bounds.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ An offensive player drops the ball (a fumble ), and a defensive player picks it up.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ The ball or the player with the ball goes out of bounds.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    .As with interceptions, a player recovering a fumble can run with the ball until tackled, forced out of bounds, or scores.^ Recover - getting the ball after a fumble .
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ This is called an interception , and the player who makes the interception can run with the ball until he is tackled or forced out of bounds.
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ If a player catches the ball and is tackled or runs out of bounds then the next play starts from that position on the field.
    • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

    .Backward passes that are not caught do not cause the down to end like incomplete forward passes do; instead the ball is still live as if it had been fumbled.^ Backward passes that are not caught do not cause the down to end like incomplete forward passes do; instead the ball is still live as if it had been fumbled.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ Other than that, I still like Texas over Oklahoma by a smidge -- although the lack of a tight end or quick improvement from the Sooners' offensive line could cause those to change.
    • American Football Coaches Association - Big 12 Blog - ESPN 19 January 2010 9:47 UTC espn.go.com [Source type: General]

    ^ A down ends, and the ball becomes dead, after any of the following: The player with the ball is forced to the ground (tackled) or has his forward progress halted by members of the other team (as determined by an official).
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    .Lost fumbles and interceptions are together known as turnovers.
  • The offensive team misses a field goal attempt.^ If a field goal is attempted and missed on third down can the team attempt another field goal on fourth down?
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    ^ The number of field goals missed.
    • Documentation for SportsML/American Football 19 January 2010 9:47 UTC www.iptc.org [Source type: Reference]

    ^ The number of field goals attempted.
    • Documentation for SportsML/American Football 19 January 2010 9:47 UTC www.iptc.org [Source type: Reference]

    .The defensive team gets the ball at the spot where the previous play began (or, in the NFL, at the spot of the kick).^ Kick-off team When kicking off, the kicker has a defensive team.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ The opposing team gets the ball at the previous line of scrimmage.
    • American Football For Dummies - Offtopicz 19 January 2010 9:47 UTC www.offtopicz.com [Source type: FILTERED WITH BAYES]

    ^ The defensive team gets the ball at the spot where the previous play began (or, in the NFL, at the spot of the kick).
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    .If the unsuccessful kick was attempted from within 20 yards (18.3 m) of the end zone, the other team gets the ball at its own 20 yard line (that is, 20 yards from the end zone).^ Consider this situation: Team A is backed up to its own end zone.
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    ^ The receiving team then starts its offensive drive from its own 20-yard line.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ A free kick is made from a team's own 20-yard-line and can be punted or placekicked.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    .If a field goal is missed or blocked and the ball remains in the field of play, a defensive player may pick up the ball and attempt to advance it.
  • While in his own end zone, an offensive ball carrier is tackled, forced out of bounds, loses the ball out of bounds, or the offense commits certain fouls.^ An offensive player drops the ball (a fumble ), and a defensive player picks it up.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ Consider this situation: Team A is backed up to its own end zone.
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    ^ Offside: A defensive or offensive player is on the wrong side of the ball when the ball is snapped.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    .This fairly rare occurrence is called a safety.
  • An offensive ball carrier fumbles the ball forward into the opposing end zone, and then the ball goes out of bounds.^ A safety is scored by the defense when the offensive player in possession of the ball is forced back into his own end zone and is tackled there, or fumbles the ball out of the end zone.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ Safeties are also awarded if the offense fumbles the ball out-of-bounds in their own end zone, has a kick blocked out of their own end zone or commits certain penalties in their own end zone.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ A touchback also occurs when the kick goes out-of-bounds in the end zone.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    This extremely rare occurrence leads to a touchback, with the ball going over to the opposing team at their 20 yard line (Note that touchbacks during non-offensive special teams plays, such as punts and kickoffs, are quite common).

Scoring

A team scores points by the following plays:
.
  • A touchdown (TD) is worth 6 points.^ A team scores points by the following plays: * A touchdown (TD) is worth 6 points.
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ The object of the game is to move the ball across the opponent's goal line, thereby scoring a touchdown, worth six points.
    • American Football 19 January 2010 9:47 UTC sportsvl.com [Source type: News]

    ^ Play is directed toward moving the ball across the opponent's goal line, thereby scoring a touchdown, worth six points.
    • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

    [18] .It is scored when a player runs the ball into or catches a pass in his opponent's end zone.^ It is scored when a player runs the ball into or catches a pass in his opponent's end zone.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ A defensive player catches a forward pass.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ A touchdown is scored when a player runs the ball into or catches a pass in his opponent's end zone.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    [18] .A touchdown is analogous to a try in rugby.^ A touchdown is analogous to a try in rugby with the major difference being that a try requires the player to place the ball on the ground.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ After a touchdown, the scoring team attempts a conversion (which is also analogous to the conversion in rugby).
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    .Unlike rugby, a player does not have to touch the ball to the ground to score; a touchdown is scored any time a player has possession of the ball while the ball is on or beyond the opponents' goal line (or the plane above it).^ The offense scores a touchdown or field goal.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ The ball does not have to be actually 'touched down' on the ground for the points to be scored.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ These players can also score touchdowns.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    .
    • After a touchdown, the scoring team attempts a try (which is also analogous to the conversion in rugby).^ After a touchdown, the scoring team attempts a conversion (which is also analogous to the conversion in rugby).
      • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

      ^ After a touchdown, the scoring team attempts a conversion .
      • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
      • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

      ^ This means that at any one time , there is one team trying to score (the offense ) and a team trying to prevent a score ( defense ).
      • American football@Everything2.com 19 January 2010 9:47 UTC everything2.com [Source type: General]

      .The ball is placed at the other team's 3-yard (2.7 m) line (the 2-yard (1.8 m) line in the NFL).^ Goal-line area definition from the goal line to the ten-yard line on the defending team’s side of midfield .
      • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

      ^ A down ends, and the ball becomes dead, after any of the following: The player with the ball is forced to the ground (tackled) or has his forward progress halted by members of the other team (as determined by an official).
      • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

      ^ For this, the ball is placed on the 2-yard line and snapped (passed backwards through the legs) to the kicker, who tries to kick it over the crossbar and between the upright posts.
      • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

      .The team can attempt to kick it over the crossbar and through the goal posts in the manner of a field goal for 1 point (an extra point or point-after touchdown (PAT)[19]), or run or pass it into the end zone in the manner of a touchdown for 2 points (a two-point conversion).^ One point is scored for kicking the ball through the posts, and two points for running or passing it over the goal line.
      • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

      ^ The offense scores a touchdown or field goal.
      • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
      • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
      • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
      • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

      ^ A field goal (FG) is worth 3 points, and it is scored by kicking the ball over the crossbar and through the goal posts (uprights).
      • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

      .In college football, if the defense intercepts or recovers a fumble during a one or two point conversion attempt and returns it to the opposing end zone, the defensive team is awarded the two points.
  • A field goal (FG) is worth 3 points, and it is scored by kicking the ball over the crossbar and through the goal posts (uprights).^ A field goal counts as three points.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ Kick-off team When kicking off, the kicker has a defensive team.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ Recover - getting the ball after a fumble .
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    [18] .Field goals may be placekicked (kicked when the ball is held vertically against the ground by a teammate) or drop-kicked (extremely uncommon in the modern game, with only two successes in sixty-plus years in the NFL).^ Field goals may be placekicked (kicked when the ball is held vertically against the ground by a teammate) or drop-kicked.
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ Field goals must be placekicked, that is, kicked when the ball is held vertically against the ground by a teammate.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ Novak missed two field goals i...

    .A field goal is usually attempted on fourth down instead of a punt when the ball is close to the opponent's goal line, or, when there is little or no time left to otherwise score.
  • A safety, worth 2 points, is scored by the opposing team when the team in possession at the end of a down is responsible for the ball becoming dead behind its own goal line.^ A safety is worth 2 points.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ A field goal counts as three points.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ If a field goal is attempted and missed on third down can the team attempt another field goal on fourth down?
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    .For instance, a safety is scored by the defense if an offensive player is tackled, goes out of bounds, or fumbles the ball out of bounds in his own end zone.^ An offensive player drops the ball (a fumble ), and a defensive player picks it up.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ An offensive ballcarrier is tackled, forced out of bounds, loses the ball out of bounds, or commits certain penalties in his own end zone.
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ The ball or the player with the ball goes out of bounds.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    [18] .Safeties are relatively rare.^ Safeties are relatively rare.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    .Note that, though even more rare, the team initially on offense during a down can score a safety if a player of the original defense gains possession of the ball in front of his own goal line and then carries the ball or fumbles it into his own end zone where it becomes dead.^ An offensive player drops the ball (a fumble ), and a defensive player picks it up.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ Consider this situation: Team A is backed up to its own end zone.
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    ^ If the offense fails to gain a first down, it loses possession of the ball.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    .However, if the ball becomes dead behind the goal line of the team in possession and its opponent is responsible for the ball being there (for instance, if the defense intercepts a forward pass in its own end zone and the ball becomes dead before the ball is advanced out of the end zone) it is a touchback: no points are scored and the team last in possession keeps possession with a first down at its own 20 yard line.^ If the team run out of downs then the opponents get the ball.
    • American Football Explained 19 January 2010 9:47 UTC www.neonbubble.com [Source type: General]

    ^ Consider this situation: Team A is backed up to its own end zone.
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    ^ If the offense fails to gain a first down, it loses possession of the ball.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    In amateur football, in the extremely rare instance that a safety is scored on a try, it is worth only 1 point.

Kickoffs and free kicks

.Each half begins with a kickoff.^ Kickoffs and free kicks Each half begins with a kickoff.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Each half begins with a kickoff .
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Teams also kick off after scoring touchdowns and field goals.^ Kick-off team When kicking off, the kicker has a defensive team.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The offense scores a touchdown or field goal.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The team that scored then kicks off the ball to the other team.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.The ball is kicked using a kicking tee from the team's own 30-yard (27 m) line in the NFL and college football (as of the 2007 season).^ A free kick is made from a team's own 20-yard-line and can be punted or placekicked.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ The ball is spotted at 3 yards in the college game for a conversion kick, instead of 2 yards.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The ball is kicked from a kicking tee, which is made from one's own 30-yard line in the NFL and from the 35-yard line in college football.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.The other team's kick returner tries to catch the ball and advance it as far as possible.^ The team that scored then kicks off the ball to the other team.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ The other team's kick returner tries to catch the ball and advance it as far as possible.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ The kicker tries to kick the ball high and far.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.Where he is stopped is the point where the offense will begin its drive, or series of offensive plays.^ Where he is stopped is the point where the offense will begin its drive, or series of offensive plays.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Where he is stopped is the point where the offense will begin its drive , or series of offensive plays.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Offensive players line up facing defensive players at the line of scrimmage (the position on the field where the play begins).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.If the kick returner catches the ball in his own end zone, he can either run with the ball, or elect for a touchback by kneeling in the end zone, in which case the receiving team then starts its offensive drive from its own 20 yard line.^ This means that when the receiver catches the ball, they will not be interfered with by the defensive team.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Punt return - the number of yards gained by the player catching the ball from the punt .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Consider this situation: Team A is backed up to its own end zone.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.A touchback also occurs when the kick goes out-of-bounds in the end zone.^ Punts and turnovers in the end zone can also end in touchbacks.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Punts and turnovers in the end zone can also end in a touchback.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ A touchback also occurs when the kick goes out-of-bounds in the end zone.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.A kickoff that goes out-of-bounds anywhere other than the end zone before being touched by the receiving team is a foul, and the ball will be placed where it went out of bounds or 30 yards (27 m) from the kickoff spot, depending on which is more advantageous to the opposite team.^ The ball or the player with the ball goes out of bounds.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Ten yards from the spot of the foul.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ A kick that goes out of bounds untouched outside the endzone are spotted where it went out of bounds at.
  • American Football For Dummies - Offtopicz 19 January 2010 9:47 UTC www.offtopicz.com [Source type: FILTERED WITH BAYES]

[20] .Unlike with punts, once a kickoff goes 10 yards and the ball has hit the ground, it can be recovered by the kicking team.^ Unlike with punts, once a kickoff goes 10 yards, it can be recovered by the kicking team.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ A punt is a kick in which a player drops the ball and kicks it before it hits the ground.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ At any given moment the QB can hurl a long bomb into the end zone, have the team do an onside kick, recover, get the ball back, and score 16 points in a minute to win the game.
  • Football Vs American Football 19 January 2010 9:47 UTC www.trap17.com [Source type: General]

[20] .A team, especially one who is losing, can try to take advantage of this by attempting an onside kick.^ A team, especially one who is losing, can try to take advantage of this by attempting an onside kick.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ This means that at any one time , there is one team trying to score (the offense ) and a team trying to prevent a score ( defense ).
  • American football@Everything2.com 19 January 2010 9:47 UTC everything2.com [Source type: General]

^ For this, the ball is placed on the 2-yard line and snapped (passed backwards through the legs) to the kicker, who tries to kick it over the crossbar and between the upright posts.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.Punts and turnovers in the end zone can also end in a touchback.^ Punts and turnovers in the end zone can also end in touchbacks.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Is a ball intercepted at one's own one yard line then fumbled out of the back of the end zone a safety or a touchback?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ A touchback also occurs when the kick goes out of the end zone.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.After safeties, the team that gave up the points must free kick the ball to the other team from its own 20 yard line.^ The receiving team then starts its offensive drive from its own 20-yard line.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ After safeties, the team that gave up the 2 points puts the ball into play with a punt or placekick from its own 20-yard line.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ A free kick is made from a team's own 20-yard-line and can be punted or placekicked.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

[21]

Penalties

A penalty flag on the field during a game on November 16, 2008 between the San Francisco 49ers and St. Louis Rams season.
.Fouls (a type of rule violation) are punished with penalties against the offending team.^ Rule violations are punished with penalties .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Penalties For a complete list of penalties, see American football rules Fouls (a type of rule violation) are punished with penalties against the offending team.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Five officials—the referee, umpire, field judge, linesman, and electric clock operator—control a game, and penalties, chiefly in the form of moving the ball away from a team's object goal, are meted out for violations of the rules.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

.Most penalties result in moving the football towards the offending team's end zone.^ Most penalties result in replaying the down.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Most penalties result in moving the football towards the offending team's end zone.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Certain penalties by the offense occurring in the end zone also result in a safety.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

.If the penalty would move the ball more than half the distance towards the offender's end zone, the penalty becomes half the distance to the goal instead of its normal value.^ Most penalties result in moving the football towards the offending team's end zone.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ If the penalty would move the ball more than half the distance towards the offender's end zone, the penalty becomes half the distance to the goal instead of its normal value.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Five officials—the referee, umpire, field judge, linesman, and electric clock operator—control a game, and penalties, chiefly in the form of moving the ball away from a team's object goal, are meted out for violations of the rules.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

.Most penalties result in replaying the down.^ Most penalties result in replaying the down.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Conversely, some offensive penalties result in loss of a down (loss of the right to repeat the down).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Most penalties result in moving the football towards the offending team's end zone.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.Some defensive penalties give the offense an automatic first down.^ Whether a penalty is assessed on the offense or the defense.
  • Documentation for SportsML/American Football 19 January 2010 9:47 UTC www.iptc.org [Source type: Reference]

^ Fifteen yards, automatic first down if on defense.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ When committed by the defense, the penalty is five yards and an automatic first down is awarded to the offense.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

[22] .Conversely, some offensive penalties result in loss of a down (loss of the right to repeat the down).^ Most penalties result in replaying the down.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Conversely, some offensive penalties result in loss of a down (loss of the right to repeat the down).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ In addition, if a penalty gives the offensive team enough yardage to gain a first down, they get a first down as usual.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

[22] .If a penalty gives the offensive team enough yardage to gain a first down, they get a first down, as usual.^ In addition, if a penalty gives the offensive team enough yardage to gain a first down, they get a first down as usual.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ If a penalty gives the offensive team enough yardage to gain a first down, they get a first down, as usual.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Some defensive penalties give the offense an automatic first down.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.If a foul occurs during a down, an official throws a yellow penalty flag near the spot of the foul.^ If a foul occurs during a down, an official throws a yellow flag near the spot of the foul.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ If a penalty occurs during a play, an official throws a yellow flag near the spot of the foul.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Ten yards or the spot of the foul (whichever is a greater penalty) plus loss of down, except if the penalty occurred in the end zone, then it is ruled a safety, and the defense is awarded 2 points.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.When the down ends, the team that did not commit the foul has the option of accepting the penalty, or declining the penalty and accepting the result of the down.^ When the down ends, the team that did not commit the foul has the option of accepting the penalty, or declining the penalty and accepting the result of the down.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Most penalties result in replaying the down.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ When the play is over, the team that did not commit the penalty has the option of taking either the penalty and replaying the down, or the result of the play and advancing to the next down.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

Variations

.Variations on these basic rules exist, particularly touch and flag football, which are designed as non-contact or limited-contact alternatives to the relative violence of regular American football.^ The rules of American football .
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ These roles have varied over the history of American football.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ In touch and flag football, tackling is not permitted.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.In touch and flag football, tackling is not permitted.^ In touch and flag football, tackling is not permitted.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Nine-man football , eight-man football and six-man football - variations of high school football, usually played in sparsely populated areas (especially in rural Texas ) * Amateur and youth league football * Flag football and Touch football - non-tackle; almost exclusively amateur .
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ We literally did not know that touch football existed, let alone flag.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.Offensive players are "tackled" when a defender tags them or removes a flag from their body, respectively.^ Offensive players are "tackled" when a defender tags them or removes a flag from their body, respectively.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Use of the box technique prevents the contain man from helping with the off-tackle play so another player must defend that play.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Spy definition defender who is assigned to cover one offensive player, often a quarterback who is fond of running with the ball .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.Both of these varieties are played mainly in informal settings such as intramural or youth games.^ Both American football and soccer have their origins in varieties of football played in the United Kingdom in the mid-19th century, and American football is directly descended from rugby football .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Six-man football and touch football, both usually played for recreation, are other forms of the amateur game.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

^ The game is particularly risky when played by amateurs without proper gear, such as is common amongst Americans in backyards and parks across the country.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

.Another variation is "wrap", where a player is "tackled" when another player wraps his arms around the ball carrier.^ Another variation is "wrap", where a player is "tackled" when another player wraps his arms around the ball carrier.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ One ball-carrier can hand the ball to another player or throw backwards to another player.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Another variation is with the number of players on the field.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.Professional, intercollegiate, and varsity-level high school football invariably use the standard tackling rules.^ Football also is extremely popular in U.S. high schools.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

^ Professional, intercollegiate, and varsity-level high school football invariably use the standard tackling rules.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Nine-man football , eight-man football and six-man football - variations of high school football, usually played in sparsely populated areas (especially in rural Texas ) * Amateur and youth league football * Flag football and Touch football - non-tackle; almost exclusively amateur .
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Another variation is with the number of players on the field.^ Another variation is with the number of players on the field.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Field and players The numbers on the field indicate the number of yards to the nearest end zone.American football is played on a field 360 by 160 feet (109.7 m 48.8 m) wide.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Camp was responsible for most major rules innovations as a leader of the Rules Committee (1878–1925), including the number of players and field dimensions.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

.In sparsely populated areas, it is not uncommon to find high school football teams playing nine-man football, eight-man football or six-man football.^ Football also is extremely popular in U.S. high schools.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

^ In sparsely populated areas, it is not uncommon to find high school football teams playing nine-man football, eight-man football or six-man football.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Nine-man football , eight-man football and six-man football - variations of high school football, usually played in sparsely populated areas Amateur and youth league football Flag football and Touch football - non-tackle; almost exclusively amateur [ edit ] Non-current Leagues .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

.Players often play on offense as well as defense.^ Players often play on offense as well as defense.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ If the kick is unsuccessful, the defense starts play from their own 25-yard line and so they become the offense.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ For example, say a defensive player commits an offsides penalty on first down by passing the line of scrimmage before the snap, and the offense gains eight yards on the play.
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.The Arena Football League is a league that plays eight-man football, but also plays indoors and on a much smaller playing surface with rule changes to encourage a much more offensive game.^ Arena Football League - mid-level men's professional league played indoors.
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The Arena Football League is a league that plays eight-man football, but also plays indoors and on a much smaller playing surface with rule changes to encourage a much more offensive game.
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^ The professional Canadian Football League plays under Canadian rules.
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.Another variation often played by American children is called Catch and Run.^ Another variation often played by American children is called Catch 'n' Run.
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^ He catches passes and blocks on running plays.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ They specialize in catching passes, though they also block for running plays or downfield after another receiver makes a catch.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.In this game, the children split into two teams and line up at opposite sides of the playing field.^ In this game, the children split into two teams and line up at opposite sides of the playing field.
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^ The NFL season includes 16 regular games, after which the winners of the three divisions in each conference, along with two "wild card" teams (the teams with the next-best record in each conference) play a four-round playoff culminating in the Super Bowl.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

^ Oh BTW if anyone is interested in playing pick up games of flag football, I;d be more than happy to arrange gatherings providing we have enough number....
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

.One side throws the ball to the other side.^ The ball can be advanced by carrying the ball, or by throwing or handing it from one teammate to the other.
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ One side throws the ball to the other side.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ If the defender tried to go around the interferer, the ball carrier would read that and cut around the interferer’s other side.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.If the opposing team catches the ball, that player tries to run to the throwing teams touchdown without being tagged/tackled.^ If no one catches the ball or if the player is tagged/tackled, then that team has to throw the ball to the opposing team.
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^ Professional players can slip over without being tackled and carry on.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ A running back being tackled when he tries to run with the ball.
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.If no one catches the ball or if the player is tagged/tackled, then that team has to throw the ball to the opposing team.^ If no one catches the ball or if the player is tagged/tackled, then that team has to throw the ball to the opposing team.
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^ One side throws the ball to the other side.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ One ball-carrier can hand the ball to another player or throw backwards to another player.
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.This repeats until the game (or recess period) is deemed over.^ For championship and playoff games, periods are played until a winner is decided (the first team to score).
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

Players

.This diagram shows typical offensive and defensive formations.^ Main article: American football positions See also: Formation (American football) This diagram shows typical offensive and defensive formations.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Eight-man front definition a defensive formation that has eight defenders in the box ; typically a 4-4 or 5-3; the word “front” does not mean the line; it means both the line and the linebackers .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Seven-man front definition a defensive formation that has seven defenders in the box; typically a 4-3 or 3-4 .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.The offense (blue) consists of the quarterback (QB), fullback (FB), tailback (TB), wide receivers (WR), tight end (TE), and offensive linemen (C, OG, OT).^ The offense (blue) consists of the quarterback (QB), fullback (FB), tailback (TB), wide receivers (WR), tight end (TE), and offensive linemen (C, OG, OT).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Offset I definition two-back formation in which the tailback is behind the quarterback but the fullback is offset to one side or the other behind the guard or tackle; sometimes called near or far or strong or weak indicating the offset fullback is nearer to or farther from the tight end side .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Others separate into three separate route trees for the wide receivers, tight ends, and running backs because each has a different tree and putting all three on one sheet of paper makes for too dense a diagram.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.The defense (red) consists of the defensive line (DL, DE), linebackers (LBs), cornerbacks (CB), strong safety (SS) and free safety (FS).^ After safeties, the team that gave up the points must free kick the ball to the other team from its own 20 yard line.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Cover 3 definition zone pass defense where the field is divided into three deep zones which are covered by the free safety (middle) and two corners (sides) .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ The defense (red) consists of the defensive line (DL, DE), linebackers (LBs), cornerbacks (CB), strong safety (SS) and free safety (FS).
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.Because teams can change any or all of the players between plays, the number of players at certain positions may differ on a given play.^ However, teams may substitute for any or all of their players, if time allows, during the break between plays.
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Because teams can change any or all of the players between plays, the number of players at certain positions may differ on a given play.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Field and players The numbers on the field indicate the number of yards to the nearest end zone.American football is played on a field 360 by 160 feet (109.7 m 48.8 m) wide.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

Here the offense is in the Normal I-Formation while the defense is in a 4-3 Normal.
.Most football players have highly specialized roles.^ Here the offense is in the Normal I-Formation while the defense is in a 4-3 Normal.Most football players have highly specialized roles.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ As noted above, most football players have highly specialized roles.
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^ What college has the most pro football players from it?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.At the college and NFL levels, most play only offense or only defense.^ At the college and NFL levels, most play only offense or only defense.
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Which college has the most starters in the NFL? U of Miami .
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ While only eleven players per team play at any one time, most professional teams will have squads of forty-five players.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

Offense

.
  • The offensive line (OL) consists of five players whose job is to protect the passer and clear the way for runners by blocking members of the defense.^ Blocking - when an offensive player stops an defensive player from getting to the ball carrier.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ This line-up usually consists of an offensive team, a defensive team, and a special team.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ The defensive line consists of three to five players who line up across from the offensive line.
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    .The lineman in the middle is the Center.^ The lineman in the middle is the Center.
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    .Outside the Center are the Guards, and outside them are the Tackles.^ Outside the Center are the Guards, and outside them are the Tackles.
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    ^ They are the center, the two tackles and two guards .
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ But Tom Flores’ Violent chess match says it’s a “defensive alignment with the tackles outside of the offensive guards and the linebackers on the ends.” .
    • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

    .Except for the center, who snaps the ball to one of the backs, offensive linemen generally do not handle the ball.
  • The quarterback (QB) receives the snap from the center on most plays.^ Quarterback: Generally the person who passes the ball.
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    ^ Snap - the ball is passed backwards through the center's legs to the quarterback .
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    ^ One offensive player, the center , then passes (or "snaps") the ball between his legs to a teammate, usually the quarterback .
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    .He then hands or tosses it to a running back, throws it to a receiver or runs with it himself.^ He then hands or tosses it to a running back, throws it to a receiver or runs with it himself.
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    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ Slot back definition quick receiver aligned in the slot; popular for running a sweep play to that side below the varsity high school level .
    • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

    ^ The defense will crowd in at the scrimmage and the quarterback will fake a hand-off to a back, then run around for a touchdown .
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    .The quarterback is the leader of the offense and calls the plays that are signaled to him from the sidelines.
  • Running backs (RB) line up behind or beside the QB and specialize in running with the ball.^ Running backs line up behind or beside the QB and specialize in rushing with the ball.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    ^ Running backs (RB) line up behind or beside the QB and specialize in running with the ball.
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    ^ The quarterback (QB) receives the ball on most plays.
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    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    .They also block, catch passes and, on rare occasions, pass the ball to others or even receive the snap.^ They also block, catch passes and, on rare occasions, pass the ball to others.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    ^ He catches passes and blocks on running plays.
    • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

    ^ They also block, catch passes and, on rare occasions, pass the ball to others or even receive the snap.
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    .If a team has two running backs in the game, usually one will be a halfback (HB) (or tailback (TB)), who is more likely to run with the ball, and the other will usually be a fullback (FB), who is more likely to block.
  • Wide receivers (WR) line up near the sidelines.^ If a team has two running backs in the game, usually one will be a halfback (HB) or tailback (TB), who is more likely to run with the ball, and the other will usually be a fullback (FB), who is more likely to block.
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    ^ Wide receivers line up near the sidelines.
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    ^ Running backs line up behind or beside the QB and specialize in rushing with the ball.
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    .They specialize in catching passes, though they also block for running plays or downfield after another receiver makes a catch.
  • Tight ends (TE) line up outside the offensive line.^ They also block, catch passes and, on rare occasions, pass the ball to others.
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    ^ They specialize in catching passes, though they also block for running plays or downfield after another receiver makes a catch.
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    ^ Tight ends (TE) line up outside the offensive line.
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    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    .They can either play like wide receivers (catch passes) or like offensive linemen (protect the QB or create spaces for runners).^ They can either play like wide receivers (try to catch passes) or like offensive linemen (protect the QB or create spaces for runners).
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    ^ They can either play like wide receivers (catch passes) or like offensive linemen (protect the QB or create spaces for runners).
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    ^ The linebackers defend against offensive plays, like passing or rushing.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    .Sometimes an offensive lineman takes the tight end position and is referred to as a tackle eligible.^ Sometimes an offensive lineman takes the tight end position and is referred to as a tackle eligible.
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    ^ Trips definition offensive pass formation in which there are three quick receivers on one side, usually a tight end, a slot back, and a flanker on the strong side .
    • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

    ^ In the original Bum Phillips’ version (See definition of 0 technique above) of this terminology, a 9 technique meant that the defensive lineman has his nose on the outside shoulder of the offensive tight end.
    • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

    [23]
.At least seven players must line up on the line of scrimmage on every offensive play.^ At least three players line up as defensive backs .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Lineman - any player that stands on the line of scrimmage .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Offensive players line up facing defensive players at the line of scrimmage (the position on the field where the play begins).
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.The other players may line up anywhere behind the line.^ The other players may line up anywhere behind the line.
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^ Back - the players behind the line of scrimmage.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ They line up between the defensive line and backs and may either rush the quarterback or cover potential receivers .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

.The exact number of running backs, wide receivers and tight ends may differ on any given play.^ The exact number of running backs, wide receivers and tight ends may differ on any given play.
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^ Teams can vary the number of wide receivers, tight ends and running backs on the field at one time.
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  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ On the other hand, if it needs 20 yards, it may replace all of its running backs and tight ends with wide receivers.
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.For example, if the team needs only 1 yard, it may use three tight ends, two running backs and no wide receivers.^ For example, if the team needs only 1 yard, it may use three tight ends, two running backs and no wide receivers.
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^ The exact number of running backs, wide receivers and tight ends may differ on any given play.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Teams can vary the number of wide receivers, tight ends and running backs on the field at one time.
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.On the other hand, if it needs 20 yards, it may replace all of its running backs and tight ends with wide receivers.^ For example, if the team needs only 1 yard, it may use three tight ends, two running backs and no wide receivers.
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^ The exact number of running backs, wide receivers and tight ends may differ on any given play.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Teams can vary the number of wide receivers, tight ends and running backs on the field at one time.
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Defense

.In contrast to members of the offense, the rules of professional football (NFL Rulebook) and American college football NCAA Rulebook) do not specify starting position, movement, or coverage zones for members of the defensive team, except that they must be in the defensive zone at the start of play.^ This applies to college and professional football.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The professional Canadian Football League plays under Canadian rules.
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^ At the college and NFL levels, most play only offense or only defense.
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.The positions, movements and responsibilities of all defensive players are assigned by the team by selection of certain coverages, or patterns of placement and assignment of responsibilities.^ The positions, movements and responsibilities of all defensive players are assigned by the team by selection of certain coverages, or patterns of placement and assignment of responsibilities.
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^ If they double the salary cap, ( with an increase in min pay, both team and player ) I have a feeling all the other problems are put by the side for the time being.
  • The Difference Between an American Sports Contract and a European Football Contract | Major League Soccer Talk 19 January 2010 9:47 UTC www.majorleaguesoccertalk.com [Source type: General]

^ In 1970, selectors for the Hall of Fame chose a first and second-team at each position, for an American Football League All-Time Team .
  • American Football League - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: General]

.The positional roles are customary.^ The positional roles are customary.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.These roles have varied over the history of American football.^ These roles have varied over the history of American football.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Arena football is a variant of American football.
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

^ Arena football is an invented variant of American football.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.The following are customary defensive positions used in many coverages in modern American football.^ The following are customary defensive positions used in many coverages in modern American football.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ American football is also played in many nations around the world.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Many in both Canada and the northern United States consider American and Canadian football to be two codes of the same game.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.
  • The defensive line consists of three to six players who line up immediately across from the offensive line.^ The defensive line consists of three to six players who line up immediately across from the offensive line.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ An offensive player drops the ball (a fumble ) and a defensive player picks it up.
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ This line-up usually consists of an offensive team, a defensive team, and a special team.
    • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

    .They try to occupy the offensive linemen in order to free up the linebackers, disrupt the backfield (behind the offensive line) of the offense, and tackle the running back if he has the ball before he can gain yardage or the quarterback before he can throw or pass the ball.^ Two back definition an offensive backfield with two running backs other than the quarterback behind the offensive interior line .
    • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

    ^ Running backs (RB) line up behind or beside the QB and specialize in rushing with the ball.
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

    ^ They try to occupy the offensive linemen in order to free up the linebackers, disrupt the backfield(behind the offensive line)of the offense, and tackle the running back if he has the ball before he can gain yardage or the quarterback before he can throw or pass the ball.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    .They are the first line of defense.
  • Behind the defensive line are the linebackers.^ They are the first line of defense.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ Behind the defensive line are the linebackers.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

    ^ They line up between the defensive line and backs and may either rush the quarterback or cover potential receivers .
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    .They line up between the defensive line and defensive backs and may either rush the quarterback or cover potential receivers.
  • The last line of defense is known as the secondary, comprising at least three players who line up as defensive backs, who are either cornerbacks or safeties.^ They line up between the defensive line and backs and may either rush the quarterback or cover potential receivers .
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    ^ The other players on the defense are known as linebacker s .
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ At least three players line up as defensive backs .
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    .They cover the receivers and try to stop pass completions.^ They cover the receivers and try to stop pass completions.
    • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    ^ They line up between the defensive line and backs and may either rush the quarterback or cover potential receivers .
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

    ^ They can either play like wide receivers (try to catch passes) or like offensive linemen (protect the QB or create spaces for runners).
    • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
    • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
    • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

    They occasionally rush the quarterback.

Special teams

.The units of players who handle kicking plays are known as special teams.^ Special teams definition kicking-play teams .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ The units of players who handle kicking plays are known as special teams .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Special teams The units of players who handle kicking plays are known as special teams.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

.Three important special-teams players are the punter, who handles punts, the placekicker or kicker, who kicks off and attempts field goals and extra points, and the long snapper, who snaps the ball for extra points, field goals, and punts.^ A field goal counts as three points.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Kick-off team When kicking off, the kicker has a defensive team.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ After receiving the snap, the holder places the ball on the ground and the kicker attempts to send it over the crossbar for three points.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.Also included on special teams are the returners.^ Also included on special teams are the returners.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ The special teams are used for particular purposes, mostly kicking and punting, or the return of both.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ All professional and most collegiate teams employ special teams for various game situations (e.g., offense, defense, kickoffs, and punt returns) and coaches who specialize in various aspects of the game.
  • football Facts, information, pictures | Encyclopedia.com articles about football 19 January 2010 9:47 UTC www.encyclopedia.com [Source type: FILTERED WITH BAYES]

.These players return punts or kickoffs and try to get in good field position.^ These players return punts or kickoffs and try to get in good field position.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ Punt return - the number of yards gained by the player catching the ball from the punt .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ All players line up facing each other at the line of scrimmage (the position on the field where the play begins).
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football - TvWiki, the free encyclopedia 19 January 2010 9:47 UTC www.tvwiki.tv [Source type: General]

.These players can also score touchdowns.^ These players can also score touchdowns.
  • American Football-Sport Encyclopedia 9 October 2009 7:58 UTC www.evebet.com [Source type: FILTERED WITH BAYES]

^ A touchdown is scored when a player runs the ball into or catches a pass in his opponent's end zone.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

Uniform numbering

Quarterback Shaun Carney has uniform number 5.
In the NFL, ranges of uniform numbers are (usually) reserved for certain positions:[24]
  • 1–19: Quarterbacks, kickers, and punters
  • 20–49: Running backs, Fullbacks, and defensive backs
  • 50–79: Centers
  • 50–79: Offensive Lineman
  • 10-19, 80–89: Wide receivers
  • 40-49, 80-89: tight ends
  • 60–99: Defensive linemen
  • 40-59, 90-99: Linebackers
.NCAA and high school rules specify only that offensive linemen must have numbers in the 50-79 range, but the NCAA "strongly recommends" that quarterbacks and running backs have numbers below 50 and wide receivers numbers above 79. This helps officials as it means that numbers 50 to 79 are ineligible receivers, or players that may never receive a forward pass.^ A defensive player catches a forward pass to his receiver.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Not every player is allowed to receive a pass.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ A defensive player catches a forward pass.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.There are no numbering restrictions on defensive players in the NCAA, other than that a team may not have two players on the field at the same time with the same jersey number.^ The other players on the defense are known as linebackers .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ The other players on the defense are known as linebacker s .
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Each team has 11 players on the field at a time.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

Basic strategy

.Because the game stops after every down, giving teams a chance to call a new play, strategy plays a major role in football.^ Game plan - the playing strategy .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Oh BTW if anyone is interested in playing pick up games of flag football, I;d be more than happy to arrange gatherings providing we have enough number....
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

^ It takes balls to give winning in New England a shot - most teams look they got paid to lose when they play up there and LT and crew were terrific.
  • Football (the American version) - SEO Chat 19 January 2010 9:47 UTC forums.seochat.com [Source type: FILTERED WITH BAYES]

.Each team has a playbook of dozens to hundreds of plays.^ Each team has a playbook of dozens to hundreds of plays.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ A football playbook is, in essence, a collection of plays that may be executed by a team during the course of a game.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.Ideally, each play is a scripted, strategically sound team-coordinated endeavor.^ Ideally, each play is a scripted, strategically sound team-coordinated endeavour.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Ideally, it is a scripted, strategically sound team-coordinated endeavour.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Before each down, each team chooses a play , or coordinated movements and actions that the players should follow on a down.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Some plays are very safe; they are likely to get only a few yards.^ Some plays are very safe; they are likely to get only a few yards.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ They can either play like wide receivers (try to catch passes) or like offensive linemen (protect the QB or create spaces for runners).
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ There are also not a few who just like what they like.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

.Other plays have the potential for long gains but at a greater risk of a loss of yardage or a turnover.^ Other plays have the potential for long gains but at a greater risk of a loss of yardage or a turnover.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Long yardage definition a behind-schedule down-and-distance combination; on-schedule would be 1st & 10, 2nd & 6, 3rd & 2, and 4th & 1; combining those downs with greater distances is long yardage; likely plays in such situations include passes and runs with big-gain potential like counters .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.Generally speaking, rushing plays are less risky than passing plays.^ Generally speaking, rushing plays are less risky than passing plays.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The linebackers defend against offensive plays, like passing or rushing.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Skinny post definition post pass route where the angle of the cut is significantly less than 45 degrees .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.However, there are relatively safe passing plays and risky running plays.^ Pass receivers and also involved in running play.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ He catches passes and blocks on running plays.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ Running play - a play from the line of scrimmage where there is no pass .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.To deceive the other team, some passing plays are designed to resemble running plays and vice versa.^ To deceive the other team, some passing plays are designed to resemble running plays and vice versa.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ He catches passes and blocks on running plays.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ Fire definition noun : code word that tells scrimmage-kick (punt or field goal) team players that there has been a bad snap or muffed snap; designated players then run pass routes so the ball carrier can pass to them; verb : defensive play call word for blitz as in “Mike fire” means to blitz the Mike linebacker .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.These are referred to as play-action passes and draws, respectively.^ The term, play, refers to the coordinated movements and actions that the players should follow on a down.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Play action definition a pass play which starts with a fake running play; should be hyphenated when used as an adjective as in “play-action pass” .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Draw definition running play in which a quarterback drops back as if to pass then suddenly gives the ball to a running back standing next to him or runs with it himself; path of the run is up the middle; if a fake run followed by a pass is a “play-action pass” then the draw could be called a “pass-action play” .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.There are many trick or gadget plays, such as when a team lines up as if it intends to punt and then tries to run or pass for a first down.^ There are many trick or gadget plays, such as when a team lines up as if it intends to punt and then tries to run or pass for a first down.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Pass receivers and also involved in running play.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ He catches passes and blocks on running plays.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.Such high-risk plays are a great thrill to the fans when they work.^ Such high-risk plays are a great thrill to the fans when they work.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.However, they can spell disaster if the opposing team realizes the deception and acts accordingly.^ However, they can spell disaster if the opposing team realizes the deception and acts accordingly.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ They could not act like Real Madrid or Chelsea and simply go out and purchase any player they wanted at any time.
  • The Difference Between an American Sports Contract and a European Football Contract | Major League Soccer Talk 19 January 2010 9:47 UTC www.majorleaguesoccertalk.com [Source type: General]

^ Aaron Rodgers tells Packers fans they better get on board his bandwagon, or else he'll throw even more passes to the opposing team.

.The defense also plans plays in response to expectations of what the offense will do.^ If the kick is unsuccessful, the defense starts play from their own 25-yard line and so they become the offense.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ At the college and NFL levels, most play only offense or only defense.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Players wear numbered shirts according to their playing position, whether they are playing offense or defense.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.For example, a "blitz" (using linebackers or defensive backs to charge the quarterback) is often attempted when the team on defense expects a pass.^ C, QB, and receivers versus defensive team of defensive backs and linebackers .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Blitz - when the defensive linebackers and safeties rush attack the offensive team to tackle the quarterback on a passing play .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ Team A's quarterback throws a pass that is intercepted...
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.A blitz makes downfield passing more difficult but exposes the defense to big gains if the offensive line stems the rush.^ They line up between the defensive line and backs and may either rush the quarterback or cover potential receivers .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Flood definition pass pattern; anti-zone-pass-defense tactic; puts more pass receivers into a defense zone than there are defenders in that zone .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ But all things being equal, a zone pass defense biased against long passes makes some sense in prevent situations.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.Many hours of preparation and strategizing, including film review by both players and coaches, go into the days between football games.^ NCAA [3] (complete college football rules are available as a PDF file) Movie of 1903 football game between the University of Chicago and the University of Michigan Chronology of many events in the NFL Annual Survey of Football Injury Research Football Basics Football FAQ Football Plays, Drills & Fundamentals - Resource for coaches & players.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ NCAA [ 2 ] (complete college football rules are available as a PDF file) * Movie of 1903 football game between the University of Chicago and the University of Michigan * Chronology of many events in the NFL * Annual Survey of Football Injury Research * Football Basics * Football FAQ * Football Plays, Drills & Fundamentals - Resource for coaches & players.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Many in both Canada and the northern United States consider American and Canadian football to be two codes of the same game.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.This, along with the demanding physicality of football (see below), is why teams typically play at most one game per week.^ My MIL's mother was one of the most horrid cantankerous old bitches on the planet--I got along with her fine, but my MIL's family all hated her (very long story).
  • Selling my Boxster S - rec.sport.football.college | Google Groups 19 January 2010 9:47 UTC groups.google.com [Source type: FILTERED WITH BAYES]

^ Shorten the game definition follow slow-down rules so as to reduce the number of plays in a game; see my book Football Clock Management for far more detail .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ In youth football, the wide-side sweep is generally the main play of the best teams.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

Physicality

A halfback leads fellow backs through an agility drill at the Air Force Academy
.American football is a collision sport.^ American football is a collision sport.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ American football is a full contact sport.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ American football evolved as a separate sport from rugby union in the late 19th century.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.To stop the offense from advancing the ball, the defense must tackle the player with the ball by knocking or pulling him down.^ To stop the offense from advancing the ball, the defense must tackle the player with the ball by knocking him down.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Players can then advance the ball in two ways: .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Blocking - when an offensive player stops an defensive player from getting to the ball carrier.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.As such, defensive players must use some form of physical contact to bring the ball-carrier to the ground, within certain rules and guidelines.^ The ball must be kept within the field.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ As such, defensive players must use some form of physical contact to bring the ball-carrier to the ground, within certain rules and guidelines.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Blocking - when an offensive player stops an defensive player from getting to the ball carrier.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.Tacklers cannot kick or punch the runner.^ Tacklers cannot kick, punch or trip the runner.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.They also cannot grab the face mask of the runner's helmet or lead into a tackle with their own helmet.^ They also cannot grab the face mask of the runner's helmet or lead into a tackle with their own helmet.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Helmet - with face mask and chin strap - Shoulder pads - Elbow pads - particularly useful on artificial surfaces - Gloves - grip when catching ball.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ They try to stop the offensive ball carrier from breaking through the defensive line, and they also rush to try and sack the quarterback (tackle in the quarterback's own half of field).
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.Despite these and other rules regarding unnecessary roughness, most other forms of tackling are legal.^ Despite these and other rules regarding unnecessary roughness, most other forms of tackling are legal.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ And in Australia soccer comes in behind three other forms of footy: rugby league, rugby union, and Australian rules.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

^ Dead ball personal foul : After the play is blown dead, a player tackles or makes rough contact with a player on the other team.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Blockers and defenders trying to evade them also have wide leeway in trying to force their opponents out of the way.^ Blockers and defenders trying to evade them also have wide leeway in trying to force their opponents out of the way.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Running interference meant running along with a ball carrier so that your position —usually a little ahead of and a little inside the ball carrier—got in the way of the defender trying to block him.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Olé definition movement in which a player sidesteps an on-rushing opponent the way a matador would sidestep an on-rushing bull at the last instant; this is a good thing when done by one of your defenders and a very bad thing when done by one of your blockers .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.Quarterbacks are regularly hit by defenders coming on full speed from outside the quarterback's field of vision.^ Quarterbacks are regularly hit by defenders coming on full speed from outside the quarterback's field of vision.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

This is commonly known as a blindside.
.To compensate for this, players must wear special protective equipment, such as a padded plastic helmet, shoulder pads, hip pads and knee pads.^ To compensate for this, players must wear a good deal of special protective equipment, such as a padded plastic helmet , shoulder pads , hip pads and knee pads.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Clothing Players will wear protective clothing.
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

^ The specialized helmets, uniforms, and pads can cost hundreds of dollars.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

.These protective pads were introduced decades ago and have improved ever since to help minimize lasting injury to players.^ These protective "paddings" were introduced decades ago and improved ever since to help minimize lasting injury to players.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ To compensate for this, players must wear a good deal of special protective equipment, such as a padded plastic helmet , shoulder pads , hip pads and knee pads.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.An unintended consequence of all the safety equipment has resulted in increasing levels of violence in the game.^ As a result, players have very specialized roles, and almost all of the 53 players on an NFL team will play in any given game.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Players may now hurl themselves at one another at high speeds without a significant chance of injury.^ The Yankees may have more money than any team and more high-priced players on their squad, but they had to wait for those players to become available in the free agent marketplace.
  • The Difference Between an American Sports Contract and a European Football Contract | Major League Soccer Talk 19 January 2010 9:47 UTC www.majorleaguesoccertalk.com [Source type: General]

^ Chop block definition illegal double-team block in which one offensive player blocks the defender high and the other, low; see rule books for details .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.The injuries that do result tend to be severe and often season or career-ending and sometimes fatal.^ X definition one of the quick receivers, most often used as the name of the split end but sometimes the tight end .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.In previous years with less padding, tackling more closely resembled tackles in Rugby football.^ Advancing the ball in American football resembles the six-tackle rule and the play-the-ball in rugby league football .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Injuries are more common in American football than in many other sports, although rule changes made in the past 90 years (for instance, the elimination of " horse-collar tackles ") have gradually lowered the rates of injuries.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Injuries are more common in American football than in many other sports, although rule changes made in the past 90 years (for instance, the elimination of " horse-collar tackle s") have gradually lowered the rates of injuries.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

Better helmets have allowed players to use their helmets as weapons. This form of tackling is particularly unwise, because of the great potential for brain or spinal injury. All this has caused the various leagues, especially the NFL, to implement a complicated series of penalties for various types of contact. .Most recently, virtually any contact with the helmet of a defensive player on the quarterback, or any contact to the quarterback's head, is now a foul.^ An unofficial stat given when a defensive player pressures and hurries the quarterback into making a throw to avoid being sacked.
  • Documentation for SportsML/American Football 19 January 2010 9:47 UTC www.iptc.org [Source type: Reference]

^ Five yards if the contact was accidental, or fifteen (a personal foul ) if the player hooks his fingers into the facemask or uses the facemask to pull the player to the ground.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Scramble - when the defensive players break through the offensive line the quarterback has to scramble to avoid them .
  • Sports Rules - American Football 19 January 2010 9:47 UTC sportsrules.50g.com [Source type: General]

.During the late 1970s, the penalty in high school football for spearing included ejection from the game.^ The weekly autumn ritual of college and high-school football " which includes marching band s, cheerleaders and parties (including the ubiquitous tailgate party ) " is an important part of the culture in much of smalltown America .
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The weekly autumn ritual of college and high-school football — which includes marching bands , cheerleaders and parties (including the ubiquitous tailgate party ) — is an important part of the culture in much of smalltown America .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ In college football and high school football, the defense is also credited with a quarterback sack.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

[25]
.Despite protective equipment and rule changes to emphasize safety, injuries remain very common in football.^ Despite protective equipment and rule changes to emphasize safety, injuries remain very common in football, due to its physical nature.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Injuries are more common in American football than in many other sports, although rule changes made in the past 90 years (for instance, the elimination of " horse-collar tackles ") have gradually lowered the rates of injuries.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Injuries are more common in American football than in many other sports, although rule changes made in the past 90 years (for instance, the elimination of " horse-collar tackle s") have gradually lowered the rates of injuries.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.It is increasingly rare, for example, for NFL quarterbacks or running backs (who take the most direct hits) to make it through an entire season without missing some time to injury.^ Pocket definition protected cup-shaped or U-shaped area formed by offensive lineman and backs so quarterback has time to find an open receiver and throw a pass .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Two back definition an offensive backfield with two running backs other than the quarterback behind the offensive interior line .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ If the defense forces a turnover on an attempted conversion and runs the ball back to their opponent's endzone, they are awarded with 2 points (does not apply in the NFL).
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Additionally, 28 football players died from direct football injuries in the years 2000-05 and an additional 68 died indirectly from dehydration or other examples of "non-physical" dangers, according to the National Center for Catastrophic Sport Injury Research.^ Twenty-five football players, mostly high schoolers, died from injuries directly related to football from 2000-2004, according to the National Center for Catastrophic Sport Injury Research.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ American football strategy National Women's Football Association Canadian Football League German Football League American football glossary List of American football players Pro Football Hall of Fame List of defunct sports leagues Fantasy Football Gridiron football Arena Football [ edit ] External links .
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]

^ Concussions are common, with about 41,000 suffered every year among high school players according to the Brain Injury Association of Arizona.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

[26] .Concussions are common, with about 41,000 suffered every year among high school players according to the Brain Injury Association of Arizona.^ Concussions are common, with about 41,000 suffered every year among high school players according to the Brain Injury Association of Arizona.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Would you rather be the best soccer player America has ever produced (Donovan) and make $2,000,000 or so a year?
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

^ Twenty-five football players, mostly high schoolers, died from injuries directly related to football from 2000-2004, according to the National Center for Catastrophic Sport Injury Research.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

[27] In 1981, U.S. President Ronald Reagan, who played football in high school, commented on the contact of the sport: [Football] is the last thing left in civilization where men can literally fling themselves bodily at one another in combat and not be at war."[28]
.Extra and optional equipment such as neck rolls, spider pads, rib protectors (referred to as "flak jackets"), and elbow pads help against injury as well, though they do not tend to be used by the majority of players due to their lack of requirement.^ To compensate for this, players must wear a good deal of special protective equipment, such as a padded plastic helmet , shoulder pads , hip pads and knee pads.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Use of the box technique prevents the contain man from helping with the off-tackle play so another player must defend that play.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Every position in the NFL has a franchise and transition tag available for a club to use if they have a star player up for a contract and the team wants protection.

.The danger of football and the equipment required to reduce it make regulation football impractical for casual play.^ To force them to respond to his concerns, he threatened to pressure Congress to make playing football a federal crime.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ The high level of physical contact in football makes it more dangerous than other major American team sports.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.Flag football and touch football are less violent variants of the game popular among recreational players.^ A football player during a game .
  • American football Clipart EPS Images. 61 American football clip art vector illustrations available to search from over 15 royalty free illustration publishers. 19 January 2010 9:47 UTC www.fotosearch.com [Source type: General]

^ Players playing a game of American Football .
  • American football Clipart EPS Images. 61 American football clip art vector illustrations available to search from over 15 royalty free illustration publishers. 19 January 2010 9:47 UTC www.fotosearch.com [Source type: General]

^ Oh BTW if anyone is interested in playing pick up games of flag football, I;d be more than happy to arrange gatherings providing we have enough number....
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

Nutrition and dehydration

.Football players typically begin their season while the weather is still extremely warm and with the dangerous combination of warm weather and high humidity, dehydration is a great risk for the players.^ Such high-risk plays are a great thrill to the fans when they work.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ In 1893, Annapolis football player Joseph Mason Reeves was told by the Navy doctor that he must give up football or risk death...
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ A standard football game consists of four 15-minute (typically 12 minutes in high school football) periods (called quarters), with an intermission (called halftime) after the second quarter.
  • American football - ArmchairGM - Sports Wiki Database 19 January 2010 9:47 UTC armchairgm.wikia.com [Source type: FILTERED WITH BAYES]
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

[29] The players are usually required to follow a hydration schedule. .It is extremely important for players to drink enough fluids because dehydration can seriously reduce athletic performance and increase the risk of heat illnesses.^ Dawkins on Crumpler because it's was during an extremely important game and set the tone to go to t...

.Most trainers and coaches make it imperative for their players to drink fluids before they are thirsty.^ Coaches who object to that image need to read through this dictionary to make sure they are not contributing to it.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ For example, many coaches feel they can pick their own name for some positions, most commonly linebackers.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Call outspre-game activity in which the coach calls out the offense, defense, and each special team to make sure each player assigned to that team knows he is on it.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

[29]

Brain injury

The Concussions Committee of the NFL, co-chaired by Dr. Ira Casson, has generally denied that concussions result in permanent brain injury. .However, there is some research, reported in 2009, which, using phone interviews based on the National Health Interview Survey, showed increased incidence of diagnosis of memory loss and dementia among retired professional football players.^ Who was the tallest professional football player ever?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ Stud definition a) very good football player who looks like a football player is supposed to b) used by some coaches as the name of the strong safety or strong side linebacker position .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ CANTON - The tiny auditorium was full of young football players, some about to be very rich and some embarking on an uphill journey just to make a roster.

Such symptoms are believed related to the effects of concussion. More rigorous research is being conducted by Dr. Casson, neurologist, for the NFL. This finding is considered significant as such injuries may potentially affect high school and college players also.[30]

Organization in the United States

Calendar

Traditionally, football is an autumn sport. A season typically begins in mid-to-late August and runs through December, into January. .The professional playoffs run through January, and the Super Bowl is often played in the first week of February.^ Through the 2008 season, the Cowboys have played in 8 Super Bowls.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ There are many trick or gadget plays, such as when a team lines up as if it intends to punt and then tries to run or pass for a first down.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ How many black quarterbacks have played in the Super Bowl?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.The NFL draft is usually held in April, in which eligible college football players are selected by NFL teams, the order of selection determined by the teams' final regular season records.^ What college has the most pro football players from it?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ How many players are NFL teams allowed to have on their roster?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ What do NFL football players do with their jerseys after they are worn?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.It is a long-standing tradition in the United States (though not universally observed) that high school football games are played on Friday night, college games on Saturday, and professional games on Sunday.^ It is a long-standing tradition in the United States (though not universally observed) that high school football games are played on Friday, college games on Saturday, and professional games on Sunday (with an additional professional game on Monday nights " see Monday Night Football ).
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ In college football and high school football, the defense is also credited with a quarterback sack.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Football is played at a number of levels in the United States.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.In the 1970s, the NFL began to schedule one game on Monday nights.^ Im looking for a sports bar in Bangkok that shows the September 19th Monday Night Football game (September 20th in Thailand).
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

^ Every other week in Sept appears to have four games (three Sunday games, and the Monday night game).
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

^ The UBC book has just arrived and it looks like they will be showing three Sunday games on Monday, and then the Monday night game on Tuesday.
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

.Beginning in 2006, the NFL began scheduling games on Thursday and Saturday nights after the college football regular season concludes in mid-November, aired on the NFL Network.^ It is a long-standing tradition in the United States (though not universally observed) that high school football games are played on Friday, college games on Saturday, and professional games on Sunday (with an additional professional game on Monday nights " see Monday Night Football ).
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Im looking for a sports bar in Bangkok that shows the September 19th Monday Night Football game (September 20th in Thailand).
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

^ The ball is kicked from a kicking tee, which is made from one's own 30-yard line in the NFL and from the 35-yard line in college football.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.In recent years, nationally televised Thursday night college games have become a weekly fixture on ESPN, and most nights of the week feature at least one college game, though most games are still played on the traditional Saturday.^ Every other week in Sept appears to have four games (three Sunday games, and the Monday night game).
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

^ I can't wait till the Giants play the Patriots next week preseason game on thursday!
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

^ Your example stinks however, I think the KC Royals won a World Series in the last 30 years however and lost at least one too.
  • The Difference Between an American Sports Contract and a European Football Contract | Major League Soccer Talk 19 January 2010 9:47 UTC www.majorleaguesoccertalk.com [Source type: General]

.Certain fall and winter holidays—such as the NFL's Thanksgiving Classic and numerous New Year's Day college bowl games—have traditional football games associated with them.^ Do NFL players wear new uniforms for each game?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ Two days ago, the biggest NFL news story was that Chris Henry's assault case was granted a mistrial.

^ This will likely be the last Patriots' game I attend, and it will cap off my Super Bowl experience, as they drop the banner for last year's championship, which I attended in Jacksonville.
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

.Despite this, there are a few professional leagues that have played in the spring, mainly to avoid competition with the established leagues.^ As far as I know, there aren't adult (American) football leagues, and adult softball/hardball leagues are only Spring/Summer, right?
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

^ Comparatively few people grew up playing it and, thus, there is not that personal connection with the sport that many Americans have with baseball or football.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

.Examples include the now defunct XFL, the United States Football League, and the proposed All American Football League.^ American fans, like all other sports fans, want excellence from their teams and their league.
  • The Difference Between an American Sports Contract and a European Football Contract | Major League Soccer Talk 19 January 2010 9:47 UTC www.majorleaguesoccertalk.com [Source type: General]

^ Football (the American version) SEO Help forum discussing all general topics related to SEO. Help ranges from analyzing domains to reviewing page generators.
  • Football (the American version) - SEO Chat 19 January 2010 9:47 UTC forums.seochat.com [Source type: FILTERED WITH BAYES]

^ Hurd's the 24 pledge for Texas A&M, which includes four ESPNU 150 prospects including three Under Armour All-Americans.
  • California Football Recruiting 2010 - ESPN 19 January 2010 9:47 UTC insider.espn.go.com [Source type: FILTERED WITH BAYES]

.Indoor football is played primarily in spring for this same reason.^ The reason there's not A LOT of options for adult football is the expense that goes into playing.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

.At most levels of competition, college football teams hold several weeks of practices in the spring.^ What college has the most pro football players from it?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ Next level definition a) next deeper set of defenders in the sequence of defensive line, linebackers, and defensive backs b) next higher football team in the sequence youth, high school, college, and pro .
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ The 32-team National Football League (NFL) is the most popular and only major professional American football league .
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

These practices typically end with an intramural scrimmage open to the public. .In certain areas, high school football teams also hold spring practices.^ Nine-man football , eight-man football and six-man football - variations of high school football, usually played in sparsely populated areas (especially in rural Texas ) * Amateur and youth league football * Flag football and Touch football - non-tackle; almost exclusively amateur .
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ In college football and high school football, the defense is also credited with a quarterback sack.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ With July here, August isn t that far away and that means high school football...

Outside the United States

.Outside the United States, the sport is referred to as "American football" (or a translation thereof) to differentiate it from other football codes such as association football (soccer), rugby football, Australian rules football and Gaelic football.^ American football is a collision sport.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ American football is a full contact sport.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ (See Comparison of American football and rugby .
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

.In Australia and New Zealand the game is also known as gridiron football, or more commonly as gridiron, although in the United States the term gridiron refers only to the playing field itself.^ Football is played at a number of levels in the United States.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Oh BTW if anyone is interested in playing pick up games of flag football, I;d be more than happy to arrange gatherings providing we have enough number....
  • American Football - Thailand Forum 19 January 2010 9:47 UTC www.thaivisa.com [Source type: FILTERED WITH BAYES]

^ It is a long-standing tradition in the United States (though not universally observed) that high school football games are played on Friday, college games on Saturday, and professional games on Sunday (with an additional professional game on Monday nights " see Monday Night Football ).
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

[31] .In much of the world, the term football is unambiguous and refers to association football (known commonly as 'soccer' in the United States).^ Both American football and soccer have their origins in varieties of football played in the United Kingdom in the mid-19th century, and American football is directly descended from rugby football .
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ Many in both Canada and the northern United States consider American and Canadian football to be two codes of the same game.
  • American football at AllExperts 19 January 2010 9:47 UTC en.allexperts.com [Source type: FILTERED WITH BAYES]

^ I call this “ American Football” because this is the World Wide Web and in most of the world the word “football” refers to what Americans call soccer.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.The NFL has attempted to introduce the game to other nations and operated a developmental league, NFL Europa, with teams in five German cities and one in the Netherlands, but this league folded following the 2007 season.^ The NFL (National Football League) evolved from an earlier league, the APFA (American Professional Football Association) in...
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ Blogcasting the National Football League , Blogcasting the NFL Check out this great interview with Minnesota Vikings defensive end Kenechi Udeze about his battle with leukemia.

^ People of The Windy City, which five teams do you guys hate the most?

.The professional Canadian Football League and collegiate Canadian Interuniversity Sport play under the only slightly different Canadian rules.^ Maybe other countries can't afford football, basketball, and baseball leagues; maybe if they could afford these other sports, they'd enjoy them even more."
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

^ I must add that many football coaches garble his system by assigning slightly different numbering, probably unknowingly.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ On average how much does it cost to be able to play football in grade school high school or at the professional level?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.In the UK, 46 teams play in the British American Football League.^ How do you play American football?
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

^ EMPTY team-stats-american-football .
  • Documentation for SportsML/American Football 19 January 2010 9:47 UTC www.iptc.org [Source type: Reference]

^ EMPTY team-metadata-american-football .
  • Documentation for SportsML/American Football 19 January 2010 9:47 UTC www.iptc.org [Source type: Reference]

The BAFL has three levels: The Premier, of which there are five teams; BAFL 1, of which there are 19 teams; and BAFL 2, of which there are 26 teams. .While the lower level teams have their own championship games during BritBowl Weekend, only Premier league teams face each other in the BritBowl which is it held in Doncaster's Keepmoat Stadium.^ American fans, like all other sports fans, want excellence from their teams and their league.
  • The Difference Between an American Sports Contract and a European Football Contract | Major League Soccer Talk 19 January 2010 9:47 UTC www.majorleaguesoccertalk.com [Source type: General]

^ Justin November 29, 2009 at 8:34 pm I am not a huge fan of the single entity that is MLS, nor the way the league (rather than team) owns the players.
  • The Difference Between an American Sports Contract and a European Football Contract | Major League Soccer Talk 19 January 2010 9:47 UTC www.majorleaguesoccertalk.com [Source type: General]

^ There is no difference between the contracts, it is just the reality that there are multiple top-level soccer leagues that are competing with each other through a hybrid competition.
  • The Difference Between an American Sports Contract and a European Football Contract | Major League Soccer Talk 19 January 2010 9:47 UTC www.majorleaguesoccertalk.com [Source type: General]

.Unlike the NFL, the BAFL season is played through the summer (April to September), with the British university season spanning the autumn and winter.^ His father, David Dunn, played for Fresno State and in the NFL (Oakland, Cleveland, Pittsburgh, Cincinnati) for seven seasons as a receiver.
  • California Football Recruiting 2010 - ESPN 19 January 2010 9:47 UTC insider.espn.go.com [Source type: FILTERED WITH BAYES]

^ Through the 2008 season, the Cowboys have played in 8 Super Bowls.
  • WikiAnswers - Football - American Questions including "Who invented the game of Football" 19 January 2010 9:47 UTC wiki.answers.com [Source type: General]

.In Mexico, the ONEFA is a college league with 26 teams in 3 conferences.^ Even American football, as passionate as fans are here for the NFL and college football, doesn't get as wrapped up and rabid as, say, fans of English Premier League teams do.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

In Japan, the X-League is a professional league with 60 teams in four divisions, using promotion and relegation. After the post-season playoffs, the X-League champion is determined in the Japan X Bowl. There are also over 200 universities fielding teams, with the national collegiate championship determined by the Koshien Bowl. The professional and collegiate champions then face each other in the Rice Bowl to determine the national champion.
.In Germany, the German Football League whose elite division is called Bundesliga, has 12 teams partitioned into north and south conferences.^ Even American football, as passionate as fans are here for the NFL and college football, doesn't get as wrapped up and rabid as, say, fans of English Premier League teams do.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

^ Do you really believe you would have your shity, minor league, sawker team if it were not for PAUL ALLEN, you know, the OWNER of that "inferior" team, that plays that "inferior" sport called American Football.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

^ Disclaimer: This site is not in any way affiliated with, endorsed or licensed by the National Football League, any NFL team or NFLPA member.

The finalists from the playoffs determine the German champion during the German Bowl.
In Hungary, 18 registered teams participate in the MAFL's two division league structure. .The sport has grown significantly since 2004 and with some top Division I teams participating in the CEFL.^ Another thing I find interesting is the belief that some express that a 'sports-fan' should support all the city's teams.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

.In Norway, a rising number of teams (11 in 2010) compete in a two division league structure (division I which determines a national champion by a postseason playoff, and division 2 where newer and smaller teams are allowed to mature).^ Main My Franchise GM's Office American League National League Weekly Recaps Gameday Playoffs NIT .

.Two teams (Oslo Vikings and Eidsvoll 1814's) regularly compete in either the European Football League or the EFAF Cup.^ Disclaimer: This site is not in any way affiliated with, endorsed or licensed by the National Football League, any NFL team or NFLPA member.

^ Even American football, as passionate as fans are here for the NFL and college football, doesn't get as wrapped up and rabid as, say, fans of English Premier League teams do.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

Eidsvoll was the runner-up in EFAF Cup 2006.
The International Federation of American Football is the governing body for American football with 45 member associations from North and South America, Europe, Asia and Oceania. .The IFAF also oversees the American Football World Cup, which is held every four years.^ I call this “ American Football” because this is the World Wide Web and in most of the world the word “football” refers to what Americans call soccer.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Besides, it's not like we dominate the rest of the world in real football, since no one but the Canadians even plays anything similar to American football.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

Japan won the first two World Cups, held in 1999 and 2003. Team USA, which had not participated in the previous World Cups, won the title in 2007.
.Major American leagues have also held some regular season games outside of the United States.^ Boise State used a variation of this play to win their bowl game at the end of the 2006 season.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

^ Seahawks only have 8 regular season games and draw over a half a million.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

.On October 2, 2005, the Arizona Cardinals and San Francisco 49ers played the first regular season NFL game outside of the United States, in Mexico City's Estadio Azteca,[32] From 2007, the NFL has played or has plans to play at least one regular season game outside of the United States.^ But I watched the first Sounders game on TV because I was curious as how it would play on tv.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

^ His father, David Dunn, played for Fresno State and in the NFL (Oakland, Cleveland, Pittsburgh, Cincinnati) for seven seasons as a receiver.
  • California Football Recruiting 2010 - ESPN 19 January 2010 9:47 UTC insider.espn.go.com [Source type: FILTERED WITH BAYES]

^ Boise State used a variation of this play to win their bowl game at the end of the 2006 season.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

.The NCAA will also play games outside of the U.S. In 2012, The United States Naval Academy will play the University of Notre Dame in Dublin, Ireland.^ Alabama, Georgia, Notre Dame, Oklahoma, Tennessee, Baylor, California, Missouri, North Carolina, Oklahoma State, Stanford, Texas A&M and Texas Tech among others have also offered.
  • California Football Recruiting 2010 - ESPN 19 January 2010 9:47 UTC insider.espn.go.com [Source type: FILTERED WITH BAYES]

^ Several other programs including Notre Dame, Kansas, Iowa State, SMU, UTEP, Louisiana Tech and Tulsa also offered.
  • California Football Recruiting 2010 - ESPN 19 January 2010 9:47 UTC insider.espn.go.com [Source type: FILTERED WITH BAYES]

^ Boise State used a variation of this play to win their bowl game at the end of the 2006 season.
  • American Football Terminology Dictionary by John T. Reed 19 January 2010 9:47 UTC www.johntreed.com [Source type: FILTERED WITH BAYES]

[33]
.A long term goal of the IFAF is for American football to be accepted by the International Olympic Committee as an Olympic sport.^ Tennessee football coach Phillip Fulmer and men's basketball coach Bruce Pearl received long-term extensions and signif...

^ Subpoint B. They are Many Awesome Organized Sports, including baseball, American football, hockey, AND soccer.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

^ Comparatively few people grew up playing it and, thus, there is not that personal connection with the sport that many Americans have with baseball or football.
  • American Football - Features - The Stranger, Seattle's Only Newspaper 19 January 2010 9:47 UTC www.thestranger.com [Source type: General]

[34]

See also

References

Notes

  1. ^ In the United States and Canada, the term "football" may refer to either American football or to the similar sport of Canadian football, the meaning usually being clear from the context. This article describes the American variant.
  2. ^ See 2006 NCAA Football Rules and Interpretations, Sec. 1, Art. 1
  3. ^ "FIF - Federazione Italiana Football" (in Italian). FIF. 4 April 2009. http://www.federfootball.org/. Retrieved 2009-04-05. 
  4. ^ "SAFV - Schweizerischer American Football Verband" (in German). SAFV. http://www.safv.ch/. Retrieved 2009-05-19. 
  5. ^ Superserien on www.amerikanskfotboll.com (Swedish)
  6. ^ [SAFV - Schweizerischer American Football Verband "American Football in Israel"]. SAFV - Schweizerischer American Football Verband. Retrieved 2009-05-19. 
  7. ^ "American Football Bund Österreich". http://www.afboe.at/. Retrieved 2009-05-19. 
  8. ^ a b "What it was was Football!". Georgetown Magazine. Georgetown University Library Special Collections. http://www.library.georgetown.edu/special-collections/archives/essays/football. Retrieved 20010-02-07. 
  9. ^ Bath, Richard (ed.) The Complete Book of Rugby (Seven Oaks Ltd, 1997 ISBN 1 86200 013 3) p77
  10. ^ "Camp and His Followers: American Football 1876–1889". The Journey to Camp: The Origins of American Football to 1889. Professional Football Researchers Association. http://www.footballresearch.com/articles/frpage.cfm?topic=d-to1889. Retrieved 2007-05-16. 
  11. ^ "NFL History 1869–1910". NFL.com. NFL Enterprises LLC. 2007. http://www.nfl.com/history/chronology/1869-1910. Retrieved 2007-05-15. 
  12. ^ a b "NFL Football Field Dimensions". SportsKnowHow.com. 2004. http://www.sportsknowhow.com/football/field-dimensions/nfl-football-field-dimensions.html. Retrieved 2009-04-05. 
  13. ^ a b c "Coin Toss". NFL Enterprises LLC. 2009. http://www.nfl.com/rulebook/cointoss. Retrieved 2009-04-05. 
  14. ^ "NFL Makes Some Rule Changes". 2008. http://ap.google.com/article/ALeqM5gHSwbXq1wnH-jmEl-jV4W8M0Vd1wD8VQBFSG0. Retrieved 2008-04-03. 
  15. ^ "2005 Rules and Interpretations" (PDF). National Collegiate Athletic Association. 2005. http://www.ncaa.org/library/rules/2005/2005_football_rules.pdf. Retrieved 2008-01-09. 
  16. ^ Lawrence, Mark (2002–2005). "The Field". Mark Lawrence. http://football.calsci.com/TheRules4.html. Retrieved 2009-04-05. 
  17. ^ a b c d e "Beginner's Guide to Football". NFL Enterprises LLC. 2009. http://www.nfl.com/rulebook/beginnersguidetofootball. Retrieved 2009-04-05. 
  18. ^ 2007 Official Rules of the NFL. Triumph Books. 1 October 2007. ISBN 1699780288. 
  19. ^ a b "Kickoff". NFL Enterprises LLC.. 2009. http://www.nfl.com/rulebook/kickoff. Retrieved 2009-04-05. 
  20. ^ "Safety". NFL Enterprises LLC.. 2009. http://www.nfl.com/rulebook/safety. Retrieved 2009-04-05. 
  21. ^ a b "Penalty Summaries". NFL Enterprises LLC.. 2009. http://www.nfl.com/rulebook/penaltysummaries. Retrieved 2009-04-05. 
  22. ^ Member - Pro Football Hall of Fame
  23. ^ Troan, John (2002-02-24). "Player Numbers by Position". John Troan. http://www.jt-sw.com/football/pro/index.nsf/Documents/0-jers-nums. Retrieved 2009-04-05. 
  24. ^ Diehl, Jerry L., ed. 1999 and 2000 NFHS Football Handbook. Robert F. Kanaby, NFHS Publications. p. 20. 
  25. ^ Annual Survey of Football Injury Research 1931–2005, National Center for Catastrophic Sport Injury Research. Updated January 18, 2006. Accessed October 31, 2006
  26. ^ Studies Suggest 10% of Arizona High School Football Players Will Suffer a Concussion During This Coming Season PR Newswire press release from the Brain Injury Association of Arizona, August 23, 2005. Accessed October 31, 2006
  27. ^ D'Souza, Dinesh (February 23, 1999). Ronald Reagan: How an Ordinary Man Became an Extraordinary Leader. Free Press. p. 40. ISBN 0684848236. 
  28. ^ a b Hemmelgran, Melinda. "Nutrient Needs of Young Athletes." The Elementary School Journal: Sports and Physical Education 91 (1991): 445-56.
  29. ^ "Dementia Risk Seen in Players in N.F.L. Study" article by Alan Schwarz in The New York Times September 29, 2009
  30. ^ "gridiron." The American Heritage Dictionary of the English Language, Fourth Edition. Houghton Mifflin Company, 2004. 01 Oct. 2007. [1].
  31. ^ S.F. 49ers, Arizona Cardinals to kick off in Mexico - San Francisco Business Times:
  32. ^ "Notre Dame And Navy Extend Series 10 More Years :: Irish and Midshipmen will meet at least until 2016, with the 2012 meeting set to be in Dublin, Ireland". Und.cstv.com. http://und.cstv.com/sports/m-footbl/spec-rel/111005aac.html. Retrieved 2008-11-24. 
  33. ^ "Football not truly global until it’s in Olympics". MSNBC.com. 2010-02-24. http://nbcsports.msnbc.com/id/35563184/ns/sports-nfl/. Retrieved 2010-02-27. 

Bibliography

  • "Digest of Rules". .National Football League.^ Blogcasting the National Football League , Blogcasting the NFL Check out this great interview with Minnesota Vikings defensive end Kenechi Udeze about his battle with leukemia.

    ^ Apparently, Brett Favre is considering coming out of retirement to play another season in the National Football League.

    ^ National Football League players might have as much to do with teaching art as the factory farming fired middle school teacher Dave Warwak is accused of teaching.

    .http://www.nfl.com/rulebook/digestofrules.^ But we all know the truth: http://www.motivatedphotos.com/?id=4401 > OTOH if you want to let the car drive you the Muskrat will be just fine.
    • Selling my Boxster S - rec.sport.football.college | Google Groups 19 January 2010 9:47 UTC groups.google.com [Source type: FILTERED WITH BAYES]

    Retrieved 2007-10-31
    .
     
  • "History and the basics". .National Football League.^ Blogcasting the National Football League , Blogcasting the NFL Check out this great interview with Minnesota Vikings defensive end Kenechi Udeze about his battle with leukemia.

    ^ Apparently, Brett Favre is considering coming out of retirement to play another season in the National Football League.

    ^ National Football League players might have as much to do with teaching art as the factory farming fired middle school teacher Dave Warwak is accused of teaching.

    .http://www.nfl.com/history.^ But we all know the truth: http://www.motivatedphotos.com/?id=4401 > OTOH if you want to let the car drive you the Muskrat will be just fine.
    • Selling my Boxster S - rec.sport.football.college | Google Groups 19 January 2010 9:47 UTC groups.google.com [Source type: FILTERED WITH BAYES]

    Retrieved 2005-12-28
    .
     
  • "Playing with the Percentages When Trailing by Two Touchdowns". Montana State University. http://www.thesportjournal.org/2005Journal/Vol8-No4/starkey.asp. Retrieved 2005-12-24. 

Further reading

  • Sports Illustrated magazine dated December 4, 2005; "Football America", a series of articles attesting to the pervasive popularity of American football in the United States at all levels.

External links


Wiktionary

Up to date as of January 15, 2010

Definition from Wiktionary, a free dictionary

German

American Football

Pronunciation

  • IPA: /əˈmɛrɪkən ˈfutbo:l/

Noun

American Football m. (genitive American Footballs, no plural)
  1. American football; football (in US)

Gaming

Up to date as of February 01, 2010

From Wikia Gaming, your source for walkthroughs, games, guides, and more!

American Football

Developer(s) Emerson
Publisher(s) Emerson
Release date Emerson Arcadia 2001:
1982 (NA)
Genre Sports (Football)
Mode(s) Single player
Age rating(s) N/A
Emerson Arcadia 2001
Platform(s) Emerson Arcadia 2001
Input Emerson Arcadia 2001 Controller
Credits | Soundtrack | Codes | Walkthrough


Stub
This article is a stub. You can help by adding to it.
Stubs are articles that writers have begun work on, but are not yet complete enough to be considered finished articles.

This article uses material from the "American Football" article on the Gaming wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

Simple English

File:Football play from
Men playing American football

American Football (called just football in the USA) is a team sport played by two teams of people with 11 players on each side. It is played with a ball that is pointed at both ends. Points are scored by one team getting the ball into the end zone of the other team.

Contents

Gameplay

The main leagues that play American Football (usually just referred to as "football" in America) are the National Football League, and the National Collegiate Athletic Association, which plays college football.

A football game is played with a ball called a football. The sport is played on a grass field, about 120 yards long and about 53 yards wide. The players wear protective equipment, including a helmet with facemask, shoulder pads, thigh pads, and often a mouth guard. At both ends of the field there are end zones. A team has four chances to advance the ball 10 yards while the opposing team tries to stop it. Certain players advance the ball by carrying or throwing it. Teams can score by advancing the ball to the other team's end zone or by kicking the ball through a goalpost. American football is carefully regulated by time and rules, which are enforced by officials, who also determine when a team scores.

A football game is 60 minutes long, and is divided into 15 minute quarters. After the first two quarters, the teams rest for a few minutes during halftime.

In NFL football, if the game is tied after the four quarters, the two teams compete in one more 15 minute period called overtime. During overtime the first team to score points is the winner. If neither team scores during overtime, the game ends in a tie. In NCAA football overtime, the teams take turns attempting to score. The game ends when one team scores, and the other team fails to score as many points during its chance.

Field

[[File:|thumb|right|250px|An American football field.]] American football is played on a field 120 yards long by 53 yards wide.Most of the game is played on 100 yards in the middle. It is divided on 20 lines drawing every 5 yards. At the ends of the field there the scoring areas called the end zones.

There are also two yellow poles on the end of each field called uprights. Sometimes, if the team can not score a touchdown they might want to kick it though the uprights for three points. The uprights are also used for scoring one point after a team scored a touchdown.

Players

There are many types of players on a football team. For the offensive part of the team, a quarterback throws the football to wide receivers while offensive linemen block to protect him from defensive players. The offensive linemen also block when a running back runs to advance the football. Defensive linemen, linebackers, and defensive backs attempt to tackle the offensive player who carries the football.

American Professional Seasons

Exhibition season

File:Wilson American
An American Football ball

Exhibition season (better known as Pre-Season) is in August. In the exhibition season, the teams get ready for the regular season by having training. Teams have practices to help the team get better and see who will make the team. All of the teams play 4 games before the regular season starts, and the games do not change what team gets to the post season. Because of it, teams do not use their best players much, and use the games as more practice.

Regular season

The 32 NFL teams are divided into two conferences: the National Football Conference (NFC) and the American Football Conference (AFC). Each of them is divided in four divisions: North, South, West and East. Each division includes four teams. The season lasts 17 weeks. Each team plays 16 games and has one week off. This week of rest is called a "bye week".

NFL playoffs

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At the end of the regular season, the best 6 NFC teams and the best 6 AFC teams play in a tournament. NFC's champion and AFC's champion play the NFL's final game, the Super Bowl which is the great American event. The event is often treated as a National holiday as many stores close for the event. The day of the event is commonly known nation wide as Super Bowl Sunday.

Other websites

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Citable sentences

Up to date as of December 15, 2010

Here are sentences from other pages on American football, which are similar to those in the above article.








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