Wins: Al Unser USA
Sequence
Event
Team/Chassis/Engine
1
Phoenix 2 1979
Chaparral/Lola/Cosworth
2
Cleveland 1983
Penske/Penske/Cosworth
3
Phoenix 1985
Penske/March/Cosworth
4
Indianapolis 1987
Penske/March/Cosworth
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Al Unser