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
Football 7-a-side at the 2008 Summer Paralympics Football 7-a-side at the 2008 Summer Paralympics 7-a-side football at the 2008 Summer Paralympics was held at the Olympic Green Hockey Field from September 8 to September 16. One event was contested, a men's team competition. The sport of 7-a-side football is for people with cerebral palsy; athletes classified as CP5 through CP8 may take part. The classification system grades player by the extent of their disability, with lower numbers corresponding to more severe impairment. At least one CP5 or CP6 player, and no more than three CP8 players, may be on the field at a given time. Eight teams