American football positions American football positions In American football each team has 11 players on the field at one time. The specific role that a player takes on the field is called his position. Under the modern rules of American football, teams are allowed unlimited substitutions; that is, teams may change any number of players after any play. This has resulted in the development of three "platoons" of players: the offense (the team with the ball, which is trying to score), the defense (the team trying to prevent the other team from scoring, and to take the ball from them), and the special
American football at the Summer Olympics American football at the Summer Olympics American football was featured in the Summer Olympic Games demonstration programme in 1904 and 1932. College football was played at the 1904 Olympics, which was played at Francis Field, but was, in reality, college teams playing each other as part of their regular seasons. The sport was eventually played officially as a demonstration sport only once, in 1932. Though American football has not been played in the Olympics since then, various American football players have participated in the Olympics. The International Federation of American Football (IFAF) oversees the IFAF World Championship, which is an