Julio Cesar Chavez Jr. - By Emilio Camacho, Esq. First, let me say that, of course, I know that Chavez did not win the fight. In fact, Martinez gave him the worst beating of his career. However, in the 12th round, Chavez Jr. took us back in history and most boxing experts were thinking about Chavez v. Taylor. Also, other fans, mostly Mexicans, started longing for the days when 15 round fights were norm.