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 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"