Rocky Marciano was one of the greatest boxers of all time. He was the only heavyweight champion to retire undefeated, with a record of 49-0. Nicknamed the "Brockton Blockbuster," Marciano was known for his relentless punching power
Rocky Marciano was one of the greatest boxers of all time. He was the only heavyweight champion to retire undefeated, with a record of 49-0. Nicknamed the "Brockton Blockbuster," Marciano was known for his relentless punching power