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
Long count after being knocked down by Moore in their 1955 fight. In their 1965 rematch, Sonny Liston was knocked down by Muhammad Ali but, in the confusion that followed, Liston was down for more than 10 seconds before getting up and resuming the fight. At Nat Fleischer's prompting, referee Jersey Joe Walcott then stopped the fight 17 seconds after the knockdown. In a 1966 match, referee Billy Conn was accused of giving Carlos Ortíz a long count against Sugar Ramos, which led to a rematch being ordered. In February 1990, following James "Buster" Douglas' upset victory over Mike Tyson, Tyson's camp