Unser won the Indy 500 in 1970, 1971, 1978 and 1987, and is the only driver in history to have both a sibling and a child also win one of the biggest races in the world.
Unser won the Indy 500 in 1970, 1971, 1978 and 1987, and is the only driver in history to have both a sibling and a child also win one of the biggest races in the world.