 An attacking midfielder who normally lined up on the right side of the midfield line or in a three-forward attack, Alfaro played a key part in Toluca's championship runs during the Verano tournaments of 1998, 1999, and 2000.Alfaro also had a successful international career.As part of the Under-23 selection, he represented Mexico at the 1996 Summer Olympics in Atlanta, appearing in all four matches.