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LAS VEGAS, NV - MAY 21: IBF junior middleweight champion Jermall Charlo poses after defeating Austin Trout at The Chelsea at The Cosmopolitan of Las Vegas on May 21, 2016 in Las Vegas, Nevada. Charlo retained his title with a unanimous decision win. (Photo by Steve Marcus/Getty Images)

LAS VEGAS, NV - MAY 21:  IBF junior middleweight champion Jermall Charlo poses after defeating Austin Trout at The Chelsea at The Cosmopolitan of Las Vegas on May 21, 2016 in Las Vegas, Nevada. Charlo retained his title with a unanimous decision win.  (Photo by Steve Marcus/Getty Images)