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
1955 in Canadian football All dates in 1955" </div> </div> NOTE: The following players were selected to the All-Star team as replacements for players who would have had to play both ways in the Shrine Game (denoted with an *): </div> NOTE: The following players were selected to the All-Star team as replacements for players who would have had to play both ways, or were injured, in the Shrine Game (denoted with an *): </div> "NOTE: During this time most players played both ways, so the All-Star selections do not distinguish between some offensive and defensive positions." 1955 in Canadian football The IRFU allowed