American football positions four linebackers, and four defensive backs (two cornerbacks, a strong safety, and a free safety) Special teams are units that are on the field during kicking plays. While many players who appear on offensive or defensive squads also play similar roles on special teams (offensive linemen to block, or defensive players to tackle) there are some specialist roles which are unique to the kicking game. 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
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