Mark Geyer was a ... "passionate" rugby league footballer.
MG was an aggressive and hard hitting backrower with a big work ethic, who was always up for a tussle.
Of course, the "Wild Panther" is famously known for that almost Origin fight with the King, Wally Lewis.
While Wally wasn't on the receiving end of a left hook from MG, one opposition supporter wasn't so lucky.
NRL stalwart Chris Heighington joined The Rush Hour with MG and detailed a hilarious incident he witnessed in the 90's involving MG and an opposition spectator.
LISTEN TO THE AUDIO BELOW: