Serie A de México
The Serie A has 36 teams (6 Liga de Expansión MX Reserve Teams and 30 Serie A Teams) divided into two groups. For the 2023–24 season, it will be a return of a season-long tournament consisting of 34 total matches played home & away and the liguilla. The top 7 teams from each group at the end of the season will play in the Liguilla for a spot to play for promotion to Liga de Expansión MX provided that their stadiums meet the requirements to ascend. The Serie A was created in the second half of 2008, with the participation and approval of the owners of the teams of the Second and Third Division, being next to Serie B part of the Liga Premier. As of the 2023–24 Season, Cancun, Celaya, Correcaminos UAT, Mineros de Zacatecas, Cimarrones de Sonora and Leones Negros all from Liga de Expansión MX will join the Liga Premier to give young players professional experience. However, only Correcaminos UAT, Cimarrones de Sonora and Leones Negros UdeG will have a reserve team, while Cancun, Celaya and Mineros de Zacatecas will have an associated team that will have its own identity. Teams for 2023–24 season
The member clubs of the Serie A for the 2023–24 season are listed as follows. Group 1

Stadium and locations

Group 2

Stadium and locations

On hiatus

Offseason Changes
 The 2022–23 Serie A champions Tampico Madero and runners-up Tuzos UAZ were not certified for promotion to the Liga de Expansión MX, they will remain on Serie A. On May 7, 2023 Alebrijes UABJO was promoted to Serie A. On June 15, 2023 the team was relocated to Reynosa and renamed C.F. Orgullo Reynosa. On May 21, 2023 Aguacateros de Peribán F.C. and Aragón F.C. were promoted to Serie A from Liga TDP. On May 22, 2023 Catedráticos Elite F.C. was renamed Petroleros de Salamanca. On May 25, 2023 Escorpiones F.C. was relocated to Zacatepec and the team was renamed to Escorpiones Zacatepec. On June 1, 2023 Club Calor was promoted to Serie A from Serie B. On June 7, 2023 Leviatán F.C. was suspended from the 2023–24 season for failing to fulfill the obligations as an affiliate. On June 13, 2023 Real de Arteaga was relocated to Apodaca, Nuevo León and renamed Real Apodaca F.C. On June 28, 2023 Coras was relocated to Piedras Negras, Coahuila, the team provisionally kept the original name
On June 29, 2023 Durango was returned to Liga Premier after a year in Liga de Expansión MX, the team lost its place in the second–tier due to financial problems. The Liga de Expansión requested that the Liga Premier propose another affiliated team to play as a guest team in the second–tier. The team rejoined Liga Premier on 18 July 2023. On June 30, 2023 Pioneros de Cancún was promoted to Serie A from Serie B. On June 30, 2023 Irapuato and Racing Porto Palmeiras joined the league as expansion teams. On June 30, 2023 Dongu and Pachuca were relocated at Serie B. On June 30, 2023 the league format was modified, the single-season tournament was reinstated after two years with two tournaments per season. On June 30, 2023 C.D. Tulancingo was relocated at Serie B, however, days later, on July 18, the team was put on hiatus. On July 18, 2023 Aguacateros CDU was relocated at Serie B.

References

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Professional sports leagues in Mexico