Comparison of American football and rugby league through the imaginary plane of the goal line. In rugby league the ball must be pressed to the ground in the in-goal area. An American football touchdown scores 6 points and a rugby league try is worth 4 points. In both games, following a try / touchdown, there is the opportunity to score additional points by kicking the ball between the posts and over the bar. In American football this is called an extra point or a "point after touchdown" (PAT) in the NFL (worth 1 point), in rugby league it is known as a conversion (worth 2 points). There
Comparison of Canadian football and rugby union is not permitted in rugby union and would be considered 'obstruction', resulting in a penalty. A touchdown is the Canadian equivalent of a try. Unlike Canadian football, both codes of rugby require the ball to be grounded, whereas in Canadian football it is sufficient for the ball to enter the end zone (in-goal area) when in the possession of a player (making the term "touchdown" a misnomer). In Canadian football a touchdown scores 6 points; in rugby union a try is worth 5 points. In both games, following a try / touchdown, there is the opportunity to score additional points