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 players have to both defend and attack. There are fifteen players in a rugby union team (except in sevens and tens). Many of the positions in each code have similar names, but, in practice, the roles of those positions can be different. A fullback in Canadian football is very different from a fullback in rugby. Some of the positions are fairly similar; a Rugby fly-half carries out a similar role to a quarterback in Canadian football; however, quarterbacks touch the ball on almost every offensive play. Broadly speaking linemen and linebackers in Canadian football correspond to forwards in rugby, and