Segunda División de México

The Segunda División is the third league of Mexico. Until the 1993-1994 season, the champion of had been promoted to the Primera División. 

Serie A clubs
Below are listed the member clubs of the Serie A for the 2020-21 season.
 Group I Group II Alacranes de Durango
 Atlético San Luis
 Atlético Reynosa
 CAFESSA
 Cimarrones de Sonora
 Colima
 Correcaminos UAT
 Gavilanes de Matamoros
 Leones Negros UdeG
 Mazorqueros 
 Mineros de Fresnillo
 Saltillo
 Tecos
 Tuzos UAZ Aguacateros CDU
 Atlético Irapuato
 Azores de Hidalgo
 Cafetaleros de Chiapas
 Cañoneros Marina
 Ciervos
 Cruz Azul Hidalgo
 Cuervos de Silver Soccer
 Dongu
 Héroes de Zací
 Inter Playa del Carmen
 La Piedad
 Pioneros de Cancún
 Zitácuaro

Category:1950 establishments in North America
Category:1950s establishments in Mexico
Category:Football leagues in Mexico