Welcome to the feature series ‘How Roger Penske Changed The Indy 500,’ which celebrates the most successful entrant at the Indianapolis Motor Speedway on the 50th anniversary of his first which took place in 1969.

This 15-part series spans some of the greatest drivers, managers, mechanics, designers, and the man himself, Roger Penske, to document The Captain’s vast influence on America’s defining motor race, the Indy 500, and in many instances, the sport as a whole.

Our guest for the fourth episode is Mario Andretti, whose lone Indy 500 win came the same year as Penske’s introduction to Indy, and who drove for The Captain at the Speedway from 1976 to 1980.

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