Jan 19, 2013 Musial's greatest single day on the baseball field came on May 2, 1954, in a doubleheader in St. Louis against the eventual pennant and World Series winners, the New York Giants. He went 4for4 in the first game with three homers, including the gamewinner, a threerun shot off Jim Hearn, and 2for4 in the second game (a Cardinals loss) with