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 involved, the field of the home team is considered a legal field, although it is a different size from one school's normal field. In all but a few cases, the rules of the home team are followed throughout the game. Many CFL players are Americans who grew up playing American football and cannot find a place in the NFL, or who prefer to play in the CFL; strict import quotas restrict the number of non-Canadian players. Furthermore, the classifications of import (non-Canadian) and non-import (Canadian) were highly restrictive and required a player to have been in Canada since childhood to