National Rugby League
The NRL is the top league of professional rugby league clubs in Australasia. Run by the Australian Rugby League Commission, the NRL's main competition is known as the Telstra Premiership due to sponsorship from Telstra Corporation and is contested by sixteen teams, fifteen of which are based in Australia with one based in New Zealand. It is regarded as the world's elite rugby league championship and, per season, is the most viewed and attended rugby league club competition in the world.