LAS VEGAS, NV - SEPTEMBER 14: (L-R) Floyd Mayweather Jr. throws a left at Canelo Alvarez during their WBC/WBA 154-pound title fight at the MGM Grand Garden Arena on September 14, 2013 in Las Vegas, ... more 
LAS VEGAS, NV - SEPTEMBER 14: (L-R) Floyd Mayweather Jr. throws a left at Canelo Alvarez during their WBC/WBA 154-pound title fight at the MGM Grand Garden Arena on September 14, 2013 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images) less 
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Getty Images | Photo By Al Bello / Getty Images
Sun, Sep 15, 2013 1:19 AM EDT