Rubuta ci gaba ga wannan sakin layi - A 1969, Penske da Donohue sun yi tsere a Indianapolis 500 na farko, tare da Donohue na ƙarshe na bakwai, wanda ya lashe kyautar rookie na shekara. Donohue ya yi tsere a Indianapolis a kowace shekara mai zuwa, ya gama na biyu a 1970
kuma 25 a shekarar 1971.