Saul “Canelo” Alvarez became the undisputed super-middleweight champion after knocking out Caleb Plant in the 11th round of their bout in Las Vegas on Saturday to unify the WBC, WBA, IBF and WBO belts. Alvarez, 31, came into the fight holding three 168-pound titles while 29-year-old American Plant owned the IBF title. After the Mexican’s left hook floored Plant, the …
