Jersey Joe Walcott and Marciano needed a knockout to win, according to two of the three official scorecards. In the thirteenth round with Marciano pressuring Walcott against the ropes, both threw simultaneous right hands. Marciano landed his punch first on Walcott´s jaw in what is considered one of the hardest punches thrown in boxing history. Walcott collapsed with his arm hanging over the ropes then fell to the canvas where he was counted out. There was a rematch in Chicago, on May 15, 1953, and the second time around, Walcott was again defeated by Marciano by a knockout, this time in the first
Tiger Jack Fox dispute over a woman. Fox also fought and knocked out in two rounds former light-heavyweight champion Bob Olin, and he knocked out Lou Brouillard in seven. He was kayoed in three rounds by future lightheavyweight champion John Henry Lewis. Two of Fox's more surprising victories came against future heavyweight champion Jersey Joe Walcott. On May 12, 1937, Fox knocked out Walcott in the 8th round. In the following year Fox again defeated Walcott, this time by a ten-round decision. Fox is second on the all-time list for first-round knockouts, and was named to the Ring Magazine's list of 100 greatest