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LAS VEGAS, NV - SEPTEMBER 16: Boxer Gennady Golovkin gestures to the crowd as he enters the ring to take on Canelo Alvarez in their WBC, WBA and IBF middleweight championship bout at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada. The boxers fought to a draw and Golovkin retained his titles. (Photo by Ethan Miller/Getty Images)

LAS VEGAS, NV - SEPTEMBER 16:  Boxer Gennady Golovkin gestures to the crowd as he enters the ring to take on Canelo Alvarez in their WBC, WBA and IBF middleweight championship bout at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada. The boxers fought to a draw and Golovkin retained his titles.  (Photo by Ethan Miller/Getty Images)

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LAS VEGAS, NV - SEPTEMBER 16: Gennady Golovkin enters the ring to take on Canelo Alvarez before their WBC, WBA and IBF middleweight championship bout at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)

LAS VEGAS, NV - SEPTEMBER 16:  Gennady Golovkin enters the ring to take on Canelo Alvarez before their WBC, WBA and IBF middleweight championship bout at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada.  (Photo by Al Bello/Getty Images)

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LAS VEGAS, NV - SEPTEMBER 16: Manager/trainer Jose "Chepo" Reynoso (L) talks with Canelo Alvarez in his corner after the fifth round of his WBC, WBA and IBF middleweight championship bout against Gennady Golovkin at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada. The boxers fought to a draw and Golovkin retained his titles. (Photo by Ethan Miller/Getty Images)

LAS VEGAS, NV - SEPTEMBER 16:  Manager/trainer Jose "Chepo" Reynoso (L) talks with Canelo Alvarez in his corner after the fifth round of his WBC, WBA and IBF middleweight championship bout against Gennady Golovkin at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada. The boxers fought to a draw and Golovkin retained his titles.  (Photo by Ethan Miller/Getty Images)

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LAS VEGAS, NV - SEPTEMBER 16: Canelo Alvarez enters the ring to take on Gennady Golovkin before their WBC, WBA and IBF middleweight championship bout at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)

LAS VEGAS, NV - SEPTEMBER 16:  Canelo Alvarez enters the ring to take on Gennady Golovkin before their WBC, WBA and IBF middleweight championship bout at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada.  (Photo by Ethan Miller/Getty Images)

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LAS VEGAS, NV - SEPTEMBER 16: Canelo Alvarez enters the ring to take on Gennady Golovkin before their WBC, WBA and IBF middleweight championship bout at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images)

LAS VEGAS, NV - SEPTEMBER 16:  Canelo Alvarez enters the ring to take on Gennady Golovkin before their WBC, WBA and IBF middleweight championship bout at T-Mobile Arena on September 16, 2017 in Las Vegas, Nevada.  (Photo by Al Bello/Getty Images)