Career
He plays at second-row. Born in North Sydney, New South Wales, Fitzgibbon moved to Newcastle at a young age and played his junior rugby league for the South Newcastle Lions in the Newcastle Rugby League. He was then signed by the Newcastle Knights.
Early career
In 2013 and 2014, Fitzgibbon played for the Newcastle Knights" New York City team
2015
In 2015, Fitzgibbon moved on to the Knights" New South Wales Cup team In Round 21 of the 2015 NRL season, he made his NRL debut for the Knights against the Saint George Illawarra Dragons.
In August, Fitzgibbon re-signed with the Knights on a two-year contract.