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,
Joe Louis dashed. Although Baer had been knocked down only once before in his professional career (by Frankie Campbell), Louis dominated the former champion, knocking him out in the fourth round. Unknowingly, Baer suffered from a unique disadvantage in the fight; earlier that evening, Louis had married Marva Trotter at a friend's apartment and was eager to end the fight in order to consummate the relationship. Later that year, Louis also knocked out Paolino Uzcudun, who had never been knocked down before. By this time, Louis was ranked as the No. 1 contender in the heavyweight division and had won the Associated