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,
Michael Moorer IBF belt vacant instead. South African Francois Botha travelled to Germany instead and beat Schultz with another close decision to claim the title, but he was stripped of it when he tested positive for illegal substances shortly after. Moorer was then given the opportunity to fight Schultz for the vacant crown in Berlin. On June 22, 1996, Moorer won the IBF heavyweight crown once again, beating Schultz by a 12-round split decision. He thus technically became a three-time heavyweight champion; WBO (1992), WBA/IBF (1994) and IBF (1996–1997). It should be noted that when Moorer held the WBO heavyweight title, it