LAS VEGAS, NV - NOVEMBER 07: Referee Tony Weeks (C) directs Timothy Bradley Jr. (R) to a neutral corner after he knocked Brandon Rios (L) down in the ninth round of their WBO welterweight title fight at the Thomas & Mack Center on November 7, 2015 in Las Vegas, Nevada. Bradley retained his title with a ninth-round TKO victory. (Photo by Ethan Miller/Getty Images)
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