Instrumental in the Bulldogs' success during the early 1990s, Pay was a skillful ball-playing forward and an especially strong defender. At the end of the 1994 NSWRL season, he went on the 1994 Kangaroo tour.
In a career-defining moment during the 1995 ARL season's semi-finals campaign, Pay broke the ribs of star Brisbane forward Glenn Lazarus in the opening moments of the match, thereby ruining the Broncos' premiership ambitions.
Pay was named as the Catalans Dragons' new Assistant Coach in 2009 under Kevin Walters. In 2010, Pay started coaching the Melbourne Storm's under-20 side in the NYC competition.