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
Jack Blackburn Joe Louis took the World Heavyweight Championship from Jim Braddock at Comiskey Park in Chicago, Illinois in an eighth-round knockout. Blackburn had trouble with drinking in his later years while training Joe Louis that likely caused the deterioration of his health. In his career, besides his long work with Joe Louis, Blackburn had roles training Light Heavyweight Champion John Henry Lewis, Bantamweight Champion Bud Taylor, as well as Art Lasky, Jackie Fields, Lew Tendler, Sailor Freedman, and Von Porat. While in Philadelphia, Blackburn briefly trained Jersey Joe Walcott. He died on April 24, 1942 of a heart attack while he