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 American football and rugby union and in current form, would now be extremely dangerous. An example of this is the trend for players tackling head first rather than leading with a shoulder, which has led to some serious neck injuries, including breaks, even with the helmets used. In previous years with less padding, tackling more closely resembled tackles in rugby union, with less severe impacts and less severe structural injuries. Comparison of American football and rugby union A comparison of American football and rugby union is possible because of the games' shared origins, despite their dissimilarities. In the event of a tackle in rugby the