Why Famous:Broke the world's record for the oldest man to win the world's heavyweight title when he earned it at the age of 37 years, 168 days, which would later be broken in 1994 by George Foreman.
Born: January 31, 1914 Birthplace:Merchantville, New Jersey, USA
1952-09-23 Undefeated Rocky Marciano KOs defending champion Jersey Joe Walcott in the 13th round at Municipal Stadium, Philadelphia for the world heavyweight boxing title
1953-05-15 In his first world heavyweight title defence, Rocky Marciano KOs former champion Jersey Joe Walcott in the 1st round at Chicago Stadium