Keidel: How Can Andre Berto Beat Floyd Mayweather Jr.?

By Jason Keidel
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What does it take to beat Floyd Mayweather Jr? 
Since he hasn’t lost as a pro, any answer is purely speculative. When I spoke with Al Bernstein, he wasn’t sure if Mayweather would have survived the 1990s undefeated, and was quite sure he would not have weathered the ’80s with a pristine record. 
But we can’t control when we’re born, or the epoch over which our career arcs. For this era, Mayweather is professionally flawless. An