Pedzisa mutsara unotevera: Muna 1969, Penske naDonohue vakamhanyira muIndianapolis 500 yavo yokutanga, Donohue achipedza ari wechinomwe, achikunda mubairo we rookie wegore. Donohue akamhanya muIndianapolis gore rimwe nerimwe rakatevera, achipedza ari wechipiri mu
1970 uye 25 muna 1971.