Do you think Mayweather still use the drug called xylocaine to numb his hand so he can punch harder? The drug called xylocaine has been banned in all state except Nevada where Floyd Mayweather reside. If he want to clean the sport of boxing it should start with him. Pacquiao has been clean for 10 years as tested by the Nevada Athletic Commision.
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For the record, I don't give a f*ck on whether he's using xylo...