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 2015 Parapan American Games Classification Athletes with a physical disability competed. The athlete's disability was caused by a non-progressive brain damage that affects motor control, such as cerebral palsy, traumatic brain injury or stroke. Athletes must be ambulant. Players were classified by level of disability. Teams must field at least one class C5 or C6 player at all times. No more than two players of class C8 are permitted to play at the same time. In the first group stage have seen the teams in a one group of five teams. Position 3-4 Final Football 7-a-side at the 2015 Parapan American Games Football 7-a-side