Comparing Rocky Marciano & Floyd Mayweather, Jr

By: Ken Hissner Both Rocky “The Brockton Blockbuster” Marciano and Floyd “Money” Mayweather, Jr. retired after posting a 49-0 record. Mayweather would come back after a 23 month layoff to post his 50th win recently against amateur boxer and current MMA champion Conor McGregor 0-0. Marciano was 42-0 before getting...
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