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
Boxing in the 1950s beaten by Pérez), won Japan's first world title, and Hogan Bassey won the first belt for Nigeria. Popular American fighters in the 1950s proved legendary: Sugar Ray Robinson would still win (and lose) world titles, Rocky Marciano became the only heavyweight world champion in history to retire with perfect record. Jersey Joe Walcott the oldest heavyweight champion (until George Foreman regained the title in 1994), Archie Moore broke the all-time knockout record as well as the record for the oldest champion, at 48, for "any" division, Ezzard Charles proved to be a reliable substitute for Joe Louis as heavyweight champ,