By KELIN DILLON On Saturday, Nov. 6, Guadalajara-born boxer Saúl “Canelo” Álvarez became the first Mexican fighter to ever unite all four belts in the super-middleweight division after knocking out American fighter Caleb Plant in the 11th round of the duo’s Las Vegas duel. Álvarez now boasts the belts and titles for the World Boxing Association, World Boxing Council, World