Fair catch catch is called a "mark"; see mark (rugby) and mark (Australian football) for more information (however in Australian Rules Football the player is not protected from the opposition team while attempting a mark). Fair catches featured in some extinct forms of football, and they have been abolished in other modern codes. In Rugby league the defensive player attempting to catch the ball cannot be tackled whilst in the air, though the attacking players can contest the ball by attempting to catch it themselves. A player who successfully catches the ball is able to be tackled only once they have landed
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