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CHICAGO, IL - JANUARY 26: Rampage Jackson walks to the octagon prior to his Light Heavyweight Bout against Glover Teixeira part of UFC on FOX at United Center on January 26, 2013 in Chicago, Illinois. (Photo by Al Bello/Zuffa LLC/Zuffa LLC Via Getty Images)

CHICAGO, IL - JANUARY 26:  Rampage Jackson walks to the octagon prior to his Light Heavyweight Bout against Glover Teixeira part of UFC on FOX at United Center on January 26, 2013 in Chicago, Illinois.  (Photo by Al Bello/Zuffa LLC/Zuffa LLC Via Getty Images)