The Liguilla (English: Little League) of the 2012 Liga MX Apertura was the final knockout tournament involving eight teams of the Liga MX. The tournament began on November 14, 2012 and ended on December 12, 2012. The winners and runners-up of the competition qualified for the 2013–14 CONCACAF Champions League.
Teams
The eight best teams in the general table qualified for the competition.
The eight qualified teams play two games against each other on a home-and-away basis. The winner of each match up is determined by aggregate score.
The teams were seeded one to eight in quarterfinals, and will be re-seeded one to four in semifinals, depending on their position in the general table. The higher seeded teams play on their home field during the second leg.