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
History of African Americans in the Canadian Football League History of African Americans in the Canadian Football League African Americans have played prominent roles in the Canadian Football League (CFL) and its precursors since 1946. In many cases black Americans have been able to pursue professional football opportunities in the CFL that were for one reason or another unavailable in the United States. Especially in the mid-20th century, many African American players came to Canada to avoid the racially charged atmosphere of segregation-era America. For many years, blacks were better represented in the CFL than they were in the National Football League (NFL), and achieved a number of "firsts"