Miguel Cotto of Puerto Rico (L) exchanges blows with Saul 'Canelo' Alvarez of  Mexico (R) during their middleweight championship boxing match on November 21, 2015 at the Mandalay Bay Events Center in Las Vegas, Nevada.  Alvarez captured the vacant World Boxing Council middleweight title with a unanimous decision victory over Cotto.    AFP PHOTO / JOHN GURZINSKI        (Photo credit should read JOHN GURZINSKI/AFP/Getty Images)