Floyd Mayweather Sr doubts his unbeaten son will carry out his retirement plan after fighting Andre Berto on September 12.
Mayweather Jr can move to 49-0 if he overcomes his fellow American in Las Vegas and his father believes the chance to topple Rocky Marciano's 50-0 record will prove too tempting.
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Mayweather Jr can move to 49-0 if he overcomes his fellow American in Las Vegas and his father believes the chance to topple Rocky Marciano's 50-0 record will prove too tempting.
[Click Here To Read More]

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