Comparison of Canadian football and rugby league league the same players both defend and attack - a system known as the one-platoon system in Canadian football. There are thirteen players and four replacements in a rugby league team, with twelve interchanges of players allowed to be made throughout the game. If the interchanges are used up and a player becomes injured and cannot continue, the team simply has to play a man short. Comparison of Canadian football and rugby league A comparison of Canadian football and rugby league football can be made because of their shared origins, resulting in similarities and shared concepts in terms of scoring
History of African Americans in the Canadian Football League in the CFL years before the same was accomplished in the NFL. More recently, the CFL has provided opportunities for black, as well as other, Americans unable to break into the NFL. There were a small number black players in the league now known as the National Football League from its inception in 1920. Following the 1933 season, however, there were no black players in the NFL or any other major-league level professional football association, including the precursors to the Canadian Football League, until 1946. During this period, black players were confined to minor leagues and independent barnstorming teams. At