Pioneerof the Nile sired eight individual winners between May 2 and June 6, according to Daily Racing Form’s SirePowered Results. However, there’s a particular one of those who will be remembered forever. American Pharoah, a second-crop son of the WinStar Farm sire, raced into history as the 12th Triple Crown winner and first since 1978 with a victory in the Belmont Stakes on June 6 at Belmont Park.