Sports Heroes Who Served: Undefeated Boxing Champ Served in World War II > U.S. Department of Defense > Story
![Twitter 上的MMA History Today:"Apr27.1956 Legendary Boxer Rocky Marciano Announces his Retirement from Boxing He retired with a Record of 49-0 http://t.co/uV2jssrbs6" / Twitter Twitter 上的MMA History Today:"Apr27.1956 Legendary Boxer Rocky Marciano Announces his Retirement from Boxing He retired with a Record of 49-0 http://t.co/uV2jssrbs6" / Twitter](https://pbs.twimg.com/media/BmQxckYCIAAS5w-.jpg)
Twitter 上的MMA History Today:"Apr27.1956 Legendary Boxer Rocky Marciano Announces his Retirement from Boxing He retired with a Record of 49-0 http://t.co/uV2jssrbs6" / Twitter
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Mayweather's 50-0 Record “definitely Should Have An Asterisk” Says Rocky Marciano Junior - Boxing News 24/7
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