have also competed in that race. In 1971, he became the only driver to date to win the race on his birthday (his 32nd).

After his son Al Unser Jr. joined the national championship circuit in 1983, Unser was generally known professionally by the retronym "Al Unser Sr." He was also nicknamed "Big Al", and Al Unser Jr. was likewise nicknamed "Little Al".

Personal life

Unser was born in Albuquerque, New Mexico,

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