Wikipedia - Liga TDP

Liga TDP is a professional association football league in Mexico and the fourth level of the Mexican football league system. Formerly named as Tercera División de México (1967–2017). It has 240 participating clubs, divided into two zones with 17 groups by geographic location (Zona A with 115 clubs in 8 groups and Zona B with 125 clubs in 9 groups). The season consists of a single tournament, which is held from September to June and the champions are decided by a final phase. The official Liga TDP champions are the winners of the final match played between the Zona A and Zona B champions, which is named as Campeón de Campeones de Liga TDP.

The 17 groups consist of clubs eligible for four promotion spots to Liga Premier, teams affiliated with clubs from the highest divisions, which are known as "filiales" are not eligible for promotion.

Celaya, San Luis, Tecos, Atlético Tecomán, Real Cuautitlán, Cihuatlán and Héroes de Zaci are the most successful clubs with 2 titles each. In all, fifty-eight clubs have won the Liga TDP at least once.

The Mexico Liga TDP (Tercera División Profesional) is a prominent football league in Mexico that serves as a vital platform for developing young talent and fostering competitive soccer at the grassroots level. As the third tier of Mexican professional football, Liga TDP features numerous teams from across the country, providing opportunities for aspiring players to showcase their skills and progress toward higher divisions. Known for its passionate fan base and vibrant community support, the league emphasizes both athletic development and community engagement. With a focus on nurturing future stars, Mexico Liga TDP plays a crucial role in the country's football ecosystem, contributing to the growth and popularity of the sport nationwide.