Comparison of Canadian football and rugby union "rouge" and the receiving team gains possession of the ball but give up a point to the punting team for failing to advance the ball out of the endzone. An important difference between the two sports involves the aftermath of a score. In Canadian football, the scoring team kicks off, except after a safety. In rugby union, the team scored upon kicks off (in rugby sevens, a variant of rugby union featuring seven players per side, the scoring team kicks off). Canadian teams have twelve players on the field per side. Different players may be interchanged at will for offence
Comparison of Canadian football and rugby union players have to both defend and attack. There are fifteen players in a rugby union team (except in sevens and tens). Many of the positions in each code have similar names, but, in practice, the roles of those positions can be different. A fullback in Canadian football is very different from a fullback in rugby. Some of the positions are fairly similar; a Rugby fly-half carries out a similar role to a quarterback in Canadian football; however, quarterbacks touch the ball on almost every offensive play. Broadly speaking linemen and linebackers in Canadian football correspond to forwards in rugby, and