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Mathe Forum Schule und Studenten
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American football
Larry Fitzgerald catches TD at 2009 Pro Bowl.jpg

Larry Fitzgerald (in blue) catches a pass while defended by Cortland Finnegan (in red) at the 2009 Pro Bowl

Nicknames Football, gridiron
First played November 6, 1869
New Brunswick, New Jersey, United States
(Princeton vs. Rutgers)
Characteristics
Contact Full-contact
Team members 11 (both teams may freely substitute players between downs)
Type Team sport, ball game
Equipment Football (leather prolate spheroid)
Football helmet
Pads (shoulder and knee)
Venue Football field (rectangular: 120 yards long, 53 1/3 yards wide)
Presence
Country or region Worldwide (most prominent in North America, Europe, and Japan)
Olympic No (demonstrated at the 1932 Summer Olympics)
Part of the American football series on
History of American football

• Origins of American football

Early history of American football

First game

Walter Camp

First pro player

First pro league

Modern history of American football

• Close relations:

Medieval football

Old division football

Rugby football

Association football

Canadian football

Black players in American professional football
Homosexuality in American football
Concussions in American football
Rugby union comparison
Rugby league comparison
Canadian football comparison
Pro Football Hall of Fame
College Football Hall of Fame
Years in American football

NFL season-by-season

College football season-by-season

    American football, referred to as football in the United States and Canada, and also known as gridiron, is a sport played by two teams of eleven players on a rectangular field with goalposts at each end. The offense, the team with control of the oval-shaped football, attempts to advance down the field by running with or passing the ball, while the team without control of the ball, the defense, aims to stop their advance and take control of the ball for themselves. The offense must advance at least ten yards in four downs, or plays, or else they turn over the football to the opposing team; if they succeed, they are given a new set of four downs. Points are primarily scored by advancing the ball into the opposing team's end zone for a touchdown or kicking the ball through the opponent's goalposts for a field goal. The team with the most points at the end of a game wins.

    American football evolved in the United States, originating from the sports of association football and rugby football. The first game of American football was played on November 6, 1869, between two college teams, Rutgers and Princeton, under rules based on the association football rules of the time. During the latter half of the 1870s, colleges playing association football switched to the Wikipedia

    piglix posted in Sports by Galactic Guru
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