Whakaotihia te rerenga e whai ake nei: I tiimata a Donohue i te Formula One i te Mahuru 19, 1971, me te McLaren i tautokohia e Penske i te Canadian Grand Prix i Mosport Park, ka mutu i te tuatoru o nga waahi. Whai muri i tana reti me tana rangatira o mua, a Penske, ka hoki mai a Donohue ki te Formula One, ka uru atu ki nga whakataetae e rua whakamutunga o te waa 1974 Formula One. I mutu a Donohue i te 12 o nga waahi i te Canadian Grand Prix, engari kaore i taea te whakaoti i te
Ko te United States Grand Prix.