Canadian football years, and are not officially defined in the rules. However, among offensive players, the rules recognize three different types of players: Specific offensive positions include: The rules do not constrain how the defence may arrange itself (other than the requirement that they must remain one yard behind the line of scrimmage until the play starts). "Special teams" generally refers to kicking plays, which typically involve a change in possession. Canadian football Canadian football () is a sport played in Canada in which two teams of 12 players each compete for territorial control of a field of play long and wide
Comparison of Canadian football and rugby union football quarterbacks - and increasingly, their coaches - have several seconds to decide what the next play they will run in many occasions during the game, thus allowing for both complex tactics displayed within individual plays and overall game-wide strategy in play calling and play selection. In rugby union, the continuous nature of the game implies that there is no time to discuss team strategy, therefore offensive actions may seem to lack a definite direction for some periods of time. Rugby is more movement based than Canadian football in which short bursts are needed. Rugby players often continue to participate