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,
George Foreman defenses were made before Foreman's first professional loss to Muhammad Ali in "The Rumble in the Jungle" in 1974. Unable to secure another title opportunity, Foreman retired after a loss to Jimmy Young in 1977. Following what he referred to as a religious epiphany, Foreman became an ordained Christian minister. Ten years later he announced a comeback and, in 1994 at age 45, he regained a portion of the heavyweight championship by knocking out 27-year-old Michael Moorer to win the unified WBA, IBF, and lineal titles. Foreman remains the oldest world heavyweight champion in history, and the second oldest in