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
Comparison of American and Canadian football inches – the length of the ball, creating the illusion of the teams being "nose-to-nose" against each other. While large, relatively immobile offensive line players used to form a line that cannot be easily penetrated by the defense are valued in American football, the extra distance from the defensive team means Canadian football finds value in more nimble players on the offensive line. In American football, if a punt returner sees that, in his judgment, he will be unable to advance the ball after catching it, he may signal for a fair catch by waving his hand in the air,