Rocky Marciano Net Worth: Rocky Marciano was an American boxer who had a net worth of $1 million. Born in Brockston, Massachusetts, in 1923, Rocky Marciano was involved in sports growing up before he was drafted into the U.S. Army during the early '40s. He started boxing as an amateur while in the military and he made his professional debut in 1947, though he wasn't officially boxing exclusively as a pro until a year later. Marciano is best known for winning all 49 fights he appeared in during his career as a professional boxer; 43 of those wins came via knockout. He won the World Heavyweight Championship in 1952, a title he defended and held until 1956. Marciano successfully defended his title six times, against competitors including Jersey Joe Walcott, Roland La Starza, and Archie Moore. He retired in April of 1956 when he was 32 years old. Marciano inspired the name of the iconic Rocky Balboa from the "Rocky" movie franchise. He is considered among the best professional boxers of all time, and as one of just a few who have retired undefeated. Marciano was inducted into the International Boxing Hall of Fame and has several statues erected in his honor around the world. Marciano died in a small plane crash in Iowa on August 31, 1969.
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