Who, when he retired as heavyweight boxing world champion in April 1956, was the only heavyweight champion in boxing history to retire having won every fight in his professional career?
Rocco Marchegiano Rocky Marciano The Brockton Blockbuster Brockton Bomber Marciano, Rocky Rocco francis marchegiano The Brockton Bomber Brockton Blockbuster Rocco Francis Marchegiano
rocco francis marchegiano rocky marciano brockton bomber marciano rocky brockton blockbuster rocco marchegiano
rocky marciano
WikipediaEntity
Rocky Marciano