Polynesian Unbreakable- Black Polly By Polymelian. Won 1945 Preakness And Withers. He Was Widely Considered A Sprint Horse Because He Was Very Quick From Gate. Actually Was Named U. Champion Sprinter In 58 Starts 27 Wins 10 Seconds 10 Thirds.
Northern Dancer, 1961 - was a small Canadian thoroughbred who won the Kentucky Derby and the Preakness. He was the most influential sire in thoroughbred history, being the father of 147 Stakes winners.