LAS VEGAS, NV - MAY 05:  Boxers Saul Canelo Alvarez (L) and Julio Cesar Chavez Jr. face off during the official weigh-in at MGM Grand Garden Arena on May 05, 2017 in Las Vegas, Nevada. Canelo Alvarez will face Julio Cesar Chavez Jr. in a middleweight bout on May 06 at MGM Grand in Las Vegas. (Photo by Omar Vega/LatinContent/Getty Images)