LAS VEGAS, NV - SEPTEMBER 15: (R-L) Canelo Alvarez knocks down Josesito Lopez with a right to the head during their WBC super welterweight title fight at MGM Grand Garden Arena on September 15, 2012... more 
LAS VEGAS, NV - SEPTEMBER 15: (R-L) Canelo Alvarez knocks down Josesito Lopez with a right to the head during their WBC super welterweight title fight at MGM Grand Garden Arena on September 15, 2012 in Las Vegas, Nevada. (Photo by Josh Hedges/Getty Images) less 
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Sun, Sep 16, 2012 1:11 AM EDT