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,
Rocky Marciano 6½-to-5 underdog. Marciano upset Louis in the latter's last career bout. After four more wins, including victories over 35-year-old Lee Savold (96–37–3) and Harry Matthews (81–3–5), Marciano received a shot at the world title. Marciano, 29, faced the World Heavyweight Champion, 38-year-old Jersey Joe Walcott, in Philadelphia on September 23, 1952. Walcott dropped Marciano in the first round and steadily built a points lead. In the 13th, Walcott used his trademark feint to set up his right hand, but Marciano's "Suzie Q" landed first, a powerful right hook causing Walcott to slump to his knees with his arm draped over