Chivas USA of Major League Soccer and Club Deportivo Guadalajara of the Mexican First Division will square off in the second ‘ChivaClásico’, to take place on Tuesday, September 14 at 8:00 p.m. PT at PETCO Park in San Diego, as announced yesterday by Chivas USA and Soccer United Marketing (SUM). The match is being presented in partnership with the San Diego Padres of Major League Baseball, and tickets will be available starting on Friday morning at 10:00 a.m. PT at both cdchivasusa.com and padres.com.