Rocky Marciano Rocky Marciano Rocco Francis Marchegiano (September 1, 1923 – August 31, 1969), best known as Rocky Marciano (), was an American professional boxer who competed from 1947 to 1955. He held the world heavyweight title from 1952 to 1956, and retired undefeated as champion. His six title defenses were against Jersey Joe Walcott, Roland La Starza, Ezzard Charles (twice), Don Cockell and Archie Moore. Known for his relentless fighting style, formidable punching power, stamina and exceptionally durable chin, Marciano has been included by boxing historians in lists of the greatest boxers of all time, and is currently ranked by BoxRec
Jersey Joe Walcott Charles prevailed, winning by decision in 15 rounds. Walcott, disappointed but eager to see his dream of being a champion come true, went on, and in 1950, he won four of his five bouts, including a three-round knockout of future world light heavyweight champion Harold Johnson. On March 7, 1951, he and Charles fought for a second time and again Charles won a 15-round decision to retain his world title. But on July 18, he joined a handful of boxers who claimed the world title in their fifth try, when he knocked out Charles in seven rounds in Pittsburgh, to