The oldest rugby league player is Dennis Gleeson (Australia, b.17 August 1936), who was 70 years and 9 days old when he played for the State Rail Apprentice RLFC in the NSW Tertiary Student Rugby League Competition, at the Peter Hislop Oval, Auburn, Australia, on 26 August 2006.

Dennis wore the number 12 jersey and played as a forward. He has been playing for the State Rail Apprentice tertiary team since the 1998 season. Dennis was registered for the whole 2006 season and played on a weekly basis.