Too many men with too many players on the court. Under no circumstance can any player or coach be ejected on a technical foul caused by too many players. In gridiron football, if a team has more than the allowed number of players on the field during a play (eleven in America, twelve in Canada), the offending team is penalized five (American) or ten (Canadian) yards for "too many men on the field" (also called "twelve/thirteen men on the field"). This is usually the result of an improper substitution. The 2009 Grey Cup game in the CFL was decided on a too-many-men call.
American football in the United States encourage higher scoring and accommodate a smaller field of play. Some players that do not make the NFL play in indoor leagues or go to Canada and play in the Canadian Football League, which operates professionally on a somewhat older rule system with a number of differences from the American game but still recognizable as "football" to the casual American football observer. The CFL allocates half of its teams' rosters for players born and raised in Canada but allows the rest of the players to be foreign born (in practice, these spots are almost always filled by Americans); the CFL