Liga Premier de México
| Organising body | Federación Mexicana de Fútbol (FMF) |
|---|---|
| Founded | 1950 (as Segunda División de México) |
| Country | Mexico |
| Confederation | CONCACAF |
| Number of clubs | 51 (Serie A and Serie B) |
| Level on pyramid | 3 |
| Promotion to | Liga de Expansión MX |
| Relegation to | Liga TDP |
| Domestic cup(s) | Copa Conecta Copa Promesas MX |
| Current champions | Irapuato (4th title) |
| Most championships | Zacatepec Tampico Madero (5 titles each) |
| Broadcaster(s) | AYM Sports Televisa TVC Deportes |
| Website | ligapremier.mx |
| Current: 2025–26 Serie A de México season 2025–26 Serie B de México season | |
Liga Premier is a professional association football league in Mexico and the third level of the Mexican football league system. Formerly named Segunda División de México (1950–2017). The league has 51 participating clubs, organized into two subdivisions (Serie A with 41 clubs and Serie B with 10 clubs). The season consists of one tournament per year, according to FIFA world football calendar. The champions are decided by a final knockout phase in each subdivision. The winners of Serie A are crowned as the Liga Premier champions, the winners of Serie B are the secondary champions and aspire to participate in Serie A.
The inaugural edition was the 1950–51 season, with Zacatepec as the first champions in history. In all, ninety-nine editions of the league have been held.
From 1950 to 1994, it was the second level division of Mexican football. Serie B clubs and teams affiliated with clubs from the highest divisions, which are known as "filiales" are not eligible for promotion to Liga de Expansión MX.
Zacatepec and Tampico Madero are the most successful clubs with five titles each, followed by Irapuato and Universidad del Fútbol with four titles each, Loros UdeC, Atlas, Durango and Pachuca Juniors with three titles each. In all, sixty-four clubs have won the league at least once.