At just 19-years-old, Mexican boxing wunderkind Saul “Canelo” Alvarez holds an undefeated record of 31-0-1 (23 KOs). In his four years as a professional fighter, the biggest challenge of his career will come in the form of Puerto Rican Jose Miguel Cotto, 31-1-1 (23 KOs), whose only loss was a disappointing unanimous decision defeat at…