Rocky Marciano. Boxing Documentary

Documentary on great boxing legend, and one of the greatest boxers of all time Rocky Marciano. Rocky Marciano (born Rocco Francis Marchegiano; September 1, 1923 August 31, 1969) was an American professional boxer and the World Heavyweight Champion from September 23, 1952, to April 27, 1956. Marciano is the only champion to hold the heavyweight title and go untied and undefeated throughout his career. Marciano defended his title six times.