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 Moorer also won a bronze medal at the Goodwill Games, and finished his amateur career with a record of 48-16. Moorer had a fast rise through the professional boxing ranks. He debuted on March 4, 1988, knocking out Adrian Riggs in the first round. Before the year's end, he was undefeated in eleven bouts (winning all by way of early round knockouts) and fighting for the world title for the first time. He acquired the newly created WBO light heavyweight title with a five-round knockout of Ramzi Hassan. In 1989, he retained the title six times, beating Freddie Delgado, Frankie