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 vs. George Foreman match with Riddick Bowe, and relinquished his IBF title on June 28, 1995. Foreman would continue to be recognized as the "Lineal" Heavyweight champion until losing to Shannon Briggs on November 22, 1997. After Foreman was stripped of the IBF title, Schulz met Francois Botha for the now-vacant title. Botha would win the match, but tested positive for steroids after the fight and was stripped of the title. As such, Michael Moorer was given another chance at the title and would face Schulz for the once again vacant title. In a close match, Moorer was able to recapture the IBF