Born in Scotland, he represented and coached the Canadian national soccer team.

Born and raised in Scotland, Gray moved to Toronto, Ontario[1] with his family at the age of 12 and played for several teams in Canada and the United States in the NASL.

Gray also played indoor soccer in the original MISL for the Chicago Sting as well as the Tacoma Stars.

He made his senior debut on 15 September 1980 for Canada in a 4–0 victory against New Zealand in a friendly match in Vancouver.

His final appearance came in a 0–2 defeat in a March 1991 North American Nations Cup match against the United States in Torrance, California.