The Liguilla (English: Mini League) of the Primera División de México Apertura 2009 was a final mini-tournament involving eight teams of the Mexican Primera División, in an elimination two-legs playoff. The final of the Liguilla was on Sunday December 13, between Cruz Azulagainst Monterrey. As the winner, Monterrey became the Apertura 2009 Champion. Also, both finalist got a berth for the 2010–11 CONCACAF Champions League (Monterreyqualified directly to the Group Stage, while Cruz Azulqualified to the Preliminary Round).