In 1969, McCormick was runner-up in tennis at the Canada Games to Robert Bédard, winning the Silver Medal.

In 1972 he made the mixed doubles third round of the Wimbledon Championships with Patricia Cody.

That same year he also won the Canadian Grand Prix tournament series, winning the championship match over Tony Bardsley.

[3][4] He played Davis Cup for Canada from 1973 to 1975 and had a win over the Mexican No.

[5] McCormick was a schoolteacher by profession, and grew up in Victoria, British Columbia.