Al Unser on Indianapolis 500, IndyCar and his legacyFour-time Indianapolis 500 winner Al Unser discusses his career and the legacy he is leaving for his son.SI Staff|Share on FacebookShare on XAdd us as a preferred sourceFour-time Indianapolis 500 winner Al Unser discusses his career and the legacy he is leaving for his son.Add us as a preferred source on GoogleFollowLoading recommendations... Please wait while we load personalized content recommendationsPublished May 26, 2016 | Modified May 26, 2016SI STAFFShare on FacebookShare on XHome/Racing