Mario Andretti. During his career, Andretti won the 1978 F1 World Championship, four IndyCar titles, and IROC VI. To date, he remains the only driver ever to win the Indianapolis 500 (1969), Daytona 500 (1967) and the Formula One World Championship, and, along with Juan Pablo Montoya, the only driver to have won a race in the NASCAR Sprint Cup Series, Formula One, and an Indianapolis 500. No American has won a Formula One race since Andretti's victory at the 1978 Dutch Grand Prix.[
“My strongest memory of Ronnie is the genuine friendship we shared and, to me, there is no better remembrance of any individual than that. I was lucky to be his friend.” -1978 World Champion Mario Andretti about his late Lotus team-mate Ronnie Peterson.