 In 1971, the team held off the challenge of 1969 world champion Jackie Stewart in the Lola T260, winning eight races, with Peter Revson taking the title.Hulme also won three Can-Am races in 1972, but the McLaren M20 was defeated by the Porsche 917/10s of Mark Donohue and George Follmer.Faced by the greater resources of Porsche, McLaren decided to abandon Can-Am at the end of 1972 and focus solely on open-wheel racing.