LAS VEGAS, NV - SEPTEMBER 16: (L-R) Gennady Golovkin throws a punch at Canelo Alvarez during 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: (R-L) Canelo Alvarez throws a punch at Gennady Golovkin during 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: (R-L) Canelo Alvarez throws a punch at Gennady Golovkin during 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: (L-R) Gennady Golovkin throws a punch at Canelo Alvarez during 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: (Top) Gennady Golovkin throws a punch at Canelo Alvarez during 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)
