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CHAMA, NM (SNN-TV) – Al Unser Sr., a four-time winner of the Indianapolis 500 and three-time champion in what is now the IndyCar Series, died Thursday. Unser, who had been diagnosed with cancer 17 years ago, was 82.

Indianapolis Motor Speedway said early Friday that Unser died at his home in Chama, New Mexico, with his wife, Susan, by his side.

In addition to his four Indianapolis 500 wins, his son, Al Unser Jr., won the race twice, making them the only father and son to win the race. Al Sr.’s brother, Bobby, won the 500 three times, making them the only brothers to do so.

Al Unser Sr. retired with 39 wins and season championships in 1970, 1983 and 1985.

Al Unser Sr. was inducted into the Indianapolis Motor Speedway Hall of Fame in 1986 and the International Motorsports Hall of Fame in 1998. His collection of trophies and cars is housed at the Unser Racing Museum in Albuquerque