 His debut in the Mexican First division was on August 3, 2003 in a 1-1 tied game against Morelia during the Clausura 2003 season.After two seasons with Irapuato and one in the first division, Ariel was traded to first division América in December 2003.Ariel officially was traded to América on December 10, 2003 for the Clausura 2004 season.