2012–13 Liga Premier de Ascenso season

The 2012–13 Liga Premier de Ascenso season was split in two tournaments Apertura and Clausura. Liga Premier was the third-tier football league of Mexico. The season was played between 11 August 2012 and 1 June 2013.

Teams
32 teams participated in this tournament.

Changes from previous season

 * Reynosa F.C., Indios UACJ, Delfines del Carmen and Promesas Altamira new expansion teams.
 * Atlas "B" was promoted from Liga de Nuevos Talentos.
 * Real Cuautitlán was promoted from Tercera División.
 * Tecamachalco F.C. didn't play this season because the team was being restructured to be promoted to Ascenso MX.
 * Tulancingo played in Liga de Nuevos Talentos.
 * Lozaro, Guerreros Acapulco and San Miguel Caudillos dissolved.
 * Deportivo Guamúchil adopted their unofficial name as official and was renamed as Murciélagos F.C.

Top goalscorers
Players sorted first by goals scored, then by last name.

Liguilla
The eight best teams of each group play two games against each other on a home-and-away basis. The higher seeded teams play on their home field during the second leg. The winner of each match up is determined by aggregate score. In the Round of 8, quarterfinals and semifinals, if the two teams are tied on aggregate the higher seeded team advances. In the final, if the two teams are tied after both legs, the match goes to extra time and, if necessary, a penalty shoot-out.

Top goalscorers
Players sorted first by goals scored, then by last name.

Liguilla
The eight best teams of each group play two games against each other on a home-and-away basis. The higher seeded teams play on their home field during the second leg. The winner of each match up is determined by aggregate score. In the Round of 8, quarterfinals and semifinals, if the two teams are tied on aggregate the higher seeded team advances. In the final, if the two teams are tied after both legs, the match goes to extra time and, if necessary, a penalty shoot-out.

Relegation Table
Last updated: 27 April 2013 Source: Liga Premier FMF P = Position; G = Games played; Pts = Points; Pts/G = Ratio of points to games played

Promotion Final
The Promotion Final is a series of matches played by the champions of the tournaments Apertura and Clausura, the game is played to determine the winning team of the promotion to Ascenso MX. The first leg was played on 29 May 2013, and the second leg was played on 1 June 2013.