"Floyd Mayweather Jr. will stop him within probably 10 rounds...Floyd's not known for being the biggest puncher, but I'm quite sure that if you've never had a professional fight before and you're in the ring with him, he's going to go for the knockout that night," stated world-class trainer Kenny Porter, who shared his thoughts on the potential clash between Floyd Mayweather and Conor McGregor. Check it out!
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