2010–11 Tercera División de México season
The 2010–11 Tercera División season is the fourth-tier football league of Mexico. The tournament began on 20 August 2010 and finished on 28 May 2011. Competition format. The Tercera División (Third Division) is divided into 14 groups. For the 2009/2010 season, the format of the tournament has been reorganized to a home and away format, which all teams will play in their respective group. The 14 groups consist of teams who are eligible to play in the liguilla de ascenso for one promotion spot, teams who are affiliated with teams in the Liga  MX, Ascenso MX and Liga Premier, which are not eligible for promotion but will play that who the better filial team in an eight team filial playoff tournament for the entire season. The league format allows participating franchises to rent their place to another team, so some clubs compete with a different name than the one registered with the FMF. Group 1. Group with 14 teams from Campeche, Chiapas, Quintana Roo, Tabasco and Yucatán. Group 2. Group with 14 teams from Oaxaca, Tabasco and Veracruz. Group 3. Group with 14 teams from Puebla, Tlaxcala and Veracruz. Group 4. Group with  13 teams from Guerrero, Mexico City, Morelos, Oaxaca and Puebla. Group 5. Group with 16 teams from Greater Mexico City. Group 6. Group with 14 teams from State of Mexico. Group 7. Group with 14 teams from Hidalgo, Mexico City and State of Mexico. Group 8. Group with 14 teams from Greater Mexico City and Hidalgo. Group 9. Group with 15 teams from Guanajuato, Guerrero, Michoacán and Querétaro. Group 10. Group with 17 teams from Aguascalientes, Durango, Guanajuato, Jalisco, Michoacán and Zacatecas. Group 11. Group with 15 teams from Colima, Jalisco and Michoacán. Group 12. Group with 18 teams from  Jalisco, Michoacán and Nayarit. Group 13. Group with 18 teams from Coahuila, Nuevo León, San Luis Potosí and Tamaulipas. Group 14. South. Group with 6 teams from Sinaloa and Sonora. North. Group with 7 teams from Baja California, Baja California Sur and Sonora. Group 15. Group with 15 teams from Chihuahua, Coahuila and Durango.