Gregg suited up for the Bisons over seven seasons (1988–95), playing five in total.
During his time with the Herd, he earned several honours, including GPAC Rookie of the Year (1988–89), GPAC Second-Team All-Star (1991–92), and GPAC First-Team All-Star (1993–94).
Gregg was a skilled scorer, steady leader, and a key contributor throughout his Bisons career.