IndyCar legend and four-time Indy 500 winner Al Unser Sr. discusses the 25th anniversary of his final run at the Speedway from 1993 with King Racing and what led to his decision to retire the following year, when his son Al Jr. went on to score a memorable win for Roger Penske.
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ABOUT MARSHALL PRUETT
The 2018 season marks Marshall Pruett's 32nd year working in the sport. In his role today for RACER, Pruett covers open-wheel and sports car racing as a writer, reporter, photographer, and filmmaker. In his previous career, he served as a mechanic, engineer, and team manager in a variety of series, including IndyCar, IMSA, and World Challenge.