525,000 Glen Abbey Golf Course Oakville, Ontario 1983 John Cook277 −7 Johnny Miller63,000 425,000 Glen Abbey Golf Course Oakville, Ontario 1982 Bruce Lietzke (2)277 −7 Hal Sutton76,500 425,000 Glen Abbey Golf Course Oakville, Ontario 1981 Peter Oosterhuis280 −4 Bruce Lietzke Jack Nicklaus Andy North76,500 425,000 Glen Abbey Golf Course Oakville, Ontario 1980 Bob Gilder274 −6 Jerry Pate Leonard Thompson63,000 350,000 Royal Montreal Golf Club Île-Bizard, Quebec 1979 Lee Trevino (3)281 −3 Ben Crenshaw63,000 350,000 Glen Abbey Golf Course Oakville, Ontario 1978 Bruce Lietzke283 −1 Pat McGowan50,000 250,000 Glen Abbey Golf Course Oakville, Ontario 1977 Lee Trevino (2)280 −8 Peter Oosterhuis45,000 225,000 Glen Abbey Golf Course Oakville, Ontario 1976 Jerry Pate267 −13 Jack Nicklaus40,000 200,000 Essex Golf & Country Club Windsor, Ontario 1975 Tom Weiskopf (2)274 −6 Jack Nicklaus40,000 200,000 Royal Montreal Golf Club Île-Bizard, Quebec 1974 Bobby Nichols270 −10 John Schlee Larry Ziegler40,000 200,000 Mississaugua Golf & Country Club Mississauga, Ontario 1973 Tom Weiskopf278 −6 Forrest Fezler35,000 175,000 Richelieu Valley Golf & Country Club Ste.-Julie, Quebec 1972 Gay Brewer275 −9 Sam Adams Dave Hill30,000 150,000 Cherry Hill Club Ridgeway, Ontario 1971 Lee Trevino275 −13 Art Wall Jr.30,000 150,000 Richelieu Valley Golf & Country