Mexican football league system
The Mexican football league system is the national football competition system in Mexico. It is organized by the Mexican Football Federation and consists of four levels.
Level
League(s)/Division(s)
1
Liga MX
18 clubs
2
Ascenso MX
18 clubs
3
Segunda División de México – Liga Premier de Ascenso
48 = 30 clubs + 18 Premier teams (in three groups)
Segunda División de México – Liga de Nuevos Talentos
21 clubs (in three groups)
4
Tercera División de México
TBD
Liga MX, known as the Primera División (First Division) before the 2012–13 season, is the highest level of Mexican football and consists of 18 clubs. Each calendar year is split into two short tournaments, the Apertura (Opening) and the Clausura (Closing). In each short tournament a club plays the other 17 clubs once. The home team switches, depending on the current short tournament.
A new champion is crowned for each short tournament through a playoff system consisting of eight teams. The top eight clubs qualify to the playoffs. The clubs are arranged before each round so that the highest seeded team remaining always plays the lowest seed remaining. The clubs play in a two-legged tie, with one match occurring at each club's home ground, and whichever club has the better aggregate score advances. If the two clubs are tied after both legs in the quarterfinals and semifinals, the higher seed advances automatically. In the finals, if the two clubs are tied after both legs two 15-minute halves of extra time are added. If the clubs are still tied after extra time the champion is determined by kicks from the penalty mark.
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