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LAS VEGAS, NV - NOVEMBER 07: WBO featherweight champion Vasyl Lomachenko poses after defeating Romulo Koasicha in their title fight at the Thomas & Mack Center on November 7, 2015 in Las Vegas, Nevada. Lomachenko defended his title with a 10th-round knockout. (Photo by Steve Marcus/Getty Images)

LAS VEGAS, NV - NOVEMBER 07:  WBO featherweight champion Vasyl Lomachenko poses after defeating Romulo Koasicha in their title fight at the Thomas & Mack Center on November 7, 2015 in Las Vegas, Nevada. Lomachenko defended his title with a 10th-round knockout.  (Photo by Steve Marcus/Getty Images)