Career
A defender, McCallum was a Toronto Blizzard in the last two seasons of the NASL, 1983 and "84. He later played with the second Blizzard in the Canadian Soccer League and selected to the 1989 All-Star team McCallum played 18 "A" internationals for the Canadian national soccer team between 1983 and 1988.
McCallum was in the early 2000s U-15s and later U-18s coach with the Mississauga Soccer Club.