His younger brother, Al, is one of only three four-time Indy 500 winners in race history. Al Unser won the race in 1970, 1971, 1978 and 1987. The Unser family tradition stretched to Al Unser’s son, Al Unser Jr., who won the Indy 500 in 1992 and 1994.
Bobby Unser, a 3-time Indianapolis 500 winner in great racing family, dies at 87
