Mario gabriele andrettiis a retireditalian americanworld championracingdriver one of the most successfulamericansin the history of the sport he is one of only two drivers to win races informula one indycar world sportscar championshipandnascar he also won races inmidget cars andsprint cars during his career andretti won the1978formula one world championship fourindycartitles andiroc vi to date he remains the only driver ever to win theindianapolis