Australians in American football and rugby union have been linked to potential NFL careers. The punting specialist position requires similar skills to those used in Australian Rules football. Salaries are up to five times higher and the position lends itself to longevity: Australian football players generally retire at around 30, whereas American football punters can play well into their 40s (in fact, one of the players listed below, Darren Bennett, played 11 seasons in the NFL after leaving behind an Australian rules career when he was nearing 30). Initially Australians sought out American football careers, although now NFL scouts are more often actively seeking
American football in the United States encourage higher scoring and accommodate a smaller field of play. Some players that do not make the NFL play in indoor leagues or go to Canada and play in the Canadian Football League, which operates professionally on a somewhat older rule system with a number of differences from the American game but still recognizable as "football" to the casual American football observer. The CFL allocates half of its teams' rosters for players born and raised in Canada but allows the rest of the players to be foreign born (in practice, these spots are almost always filled by Americans); the CFL