[3] In 1986, he returned to the National Soccer League and played with former team Toronto Italia.
[5] During his time in the Canadian Soccer League he was selected to the 1989 All-Star team.
[6] In 1990, he was originally transferred to Edmonton, but shortly after was traded to Kitchener Spirit.
[8][9] McCallum made his debut for the Canadian national soccer team on December 6, 1983 against Mexico in a friendly match.
[11][12] His nephew Gavin McCallum is also a footballer who played for the Canadian national soccer team.