Career
He returned to league after a two-year stint in rugby union with Toyota Verblitz in the Japan Top League. Rugby League Cooper made his debut in the NRL with the Melbourne Storm where he played the 2003 and 2004 seasons on the wing. He then moved to Newcastle Knights in 2005-2006, starting as a fullback but eventually filling the utility roll.
In 2007-2008 Cooper played with Cronulla Sharks in the second row, finishing his NRL career at the end of the 2008 season.
He returned to league in 2011 with the Pia Donkeys, where he plays in the second row. Rugby Union Cooper played as a centre/winger for Toyota Verblitz 2009-2011 in the Japan Top League., and was selected in the Japan Top League All Stars match 2011.