Saul Canelo Alvarez beat Billy Joe Saunders in their super middleweight unification showdown at the AT&T Stadium in Texas on Saturday.The Englishman refused to answer the bell before round nine, with a suspected fractured orbital bone, handing the Mexican Alvarez a hard-fought TKO victory in his traditional Cinco de Mayo weekend fight.The timing of the stoppage was a surprise as Saunders appeared to have the momentum. The