Fair catch the ball touches the ground. A fair catch may be followed by a snap or a type of free kick — the fair catch kick — at his team's choice, and an expired playing period may be extended if the free kick is chosen. The NCAA abolished the fair catch from its version of American football in 1950, but restored it in 1951, minus the option of kicking from the mark of the catch, which is retained in rules of the National Federation of State High School Associations and the National Football League. If the kicking team commits kick catching
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