Comparison of American football and rugby union possession of the ball at their own 20-yard (25 yard line in College Football) line. An important difference between the two sports involves the aftermath of a score. In American football, the scoring team kicks off, except after a safety. In rugby union, the team conceding the score kicks off (in rugby sevens, a variant of rugby union featuring seven players per side, the scoring team kicks off). An American football team consists of an offensive unit, a defensive unit and a "special teams" unit (involved in kicking and kick returns). Only eleven players can be on the field at
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