A Collingwood native, Roy was born on March 13, 1917. 

A renowned goal scorer, Roy  played several years with the Collingwood Juniors and a member of the Barrie Juniors Ontario Championship club in 1937. A  top scorer, he was invaluable for the Collingwood Intermediate Club winning the Ontario title in 1939. Additionally, Roy played with the Petawawa in the Allan Cup. As a professional, Roy Brock skated in New Haven, Three Rivers and
Knoxville.

Away from the ice, Roy was the club professional at the Collingwood Golf and Country Club for 20+ years.