2017–18 Serie A de Mexico season
The 2017–18 Serie A de México season was split in two tournaments Apertura and Clausura. Serie A is the third-tier football league of Mexico. The season was played between 11 August 2017 and 19 May 2018.
Torneo [|Apertura]
Changes from the previous season
36 teams participated in this season:- Cuervos de Ensenada J.A.P. moved to Tepic and became Deportivo Tepic J.A.P..
- Valle Verde F.C. moved to Tuxtla Gutiérrez and became Tuxtla F.C..
- Murciélagos F.C. reserve team changed its name to Pacific F.C. and plans to move to Mazatlán on 2019.
- Sporting Canamy moves from Mexico City to Oaxtepec.
- Chiapas F.C. Premier disappears and Lobos BUAP Premier took his place.
- Reynosa F.C. changed his name to Atlético Reynosa.
- Atlético Cuernavaca changed his name to Halcones de Morelos.
- Tecos F.C. was promoted from Tercera División.
- Loros UdeC was relegated from Ascenso MX.
- Gavilanes de Matamoros was admitted as an expansion team.
- Santos de Soledad and Real Cuautitlán disappeared.
- FC Politécnico was relegated to Tercera División.
- Atlético Estado de México eliminated his main team, maintaining the reserve team in Tercera División.
- Tlaxcala F.C. did not play this season having won his promotion to Ascenso MX, waiting to meet the requirements of the category.
Stadiums and Locations
Group 1
| Club | City | Stadium | Capacity |
| Alacranes de Durango | Durango City, Durango | Francisco Zarco | 18,000 |
| Atlas | Zapopan, Jalisco | Atlas Colomos | 3,000 |
| Atlético Reynosa | Reynosa, Tamaulipas | Unidad Deportiva Solidaridad | 20,000 |
| Deportivo Tepic | Tepic, Nayarit | Nicolás Álvarez Ortega | 12,271 |
| Dorados Fuerza UACH | Chihuahua City, Chihuahua | Olímpico Universitario José Reyes Baeza | 22,000 |
| Gavilanes de Matamoros | Matamoros, Tamaulipas | El Hogar | 22,000 |
| Guadalajara | Zapopan, Jalisco | Verde Valle | 2,000 |
| León | León, Guanajuato | Casa Club León | 2,000 |
| Loros UdeC | Colima City, Colima | Olímpico Universitario de Colima | 11,812 |
| Monterrey | Santiago, Nuevo León | El Barrial | 2,500 |
| Monarcas Morelia | Morelia, Michoacán | Morelos practice field | 1,000 |
| Necaxa | Aguascalientes City, Aguascalientes | Victoria | 25,500 |
| Pacific | Los Mochis, Sinaloa | Centenario | 11,134 |
| Santos | Torreón, Coahuila | TSM practice field | 1,000 |
| Tecos | Zapopan, Jalisco | Tres de Marzo | 18,779 |
| Tepatitlán de Morelos | Tepatitlán, Jalisco | Gregorio "Tepa" Gómez | 10,000 |
| Tigres UANL | General Zuazua, Nuevo León | Zuazua Training Center | 1,000 |
| Tijuana | Tijuana, Baja California | Caliente | 27,333 |
Group 2
| Club | City | Stadium | Capacity |
| América | Tlalpan, Mexico City | Instalaciones Club América | 1,000 |
| Cruz Azul Hidalgo | Ciudad Cooperativa Cruz Azul, Hidalgo | 10 de Diciembre | 14,500 |
| Cruz Azul Premier | Ciudad Cooperativa Cruz Azul, Hidalgo | 10 de Diciembre | 14,500 |
| Halcones de Morelos | Cuernavaca, Morelos | Centenario | 14,800 |
| Inter Playa del Carmen | Playa del Carmen, Quintana Roo | Unidad Deportiva Mario Villanueva Madrid | 7,500 |
| Irapuato | Irapuato, Guanajuato | Sergio León Chávez | 25,000 |
| Lobos BUAP | Puebla, Puebla | Universitario BUAP | 20,411 |
| Pachuca | San Agustín Tlaxiaca, Hidalgo | Universidad del Fútbol | 1,000 |
| Pioneros de Cancún | Cancún, Quintana Roo | Andrés Quintana Roo | 17,289 |
| Puebla | Puebla, Puebla | Club Alpha Field 3 | 2,000 |
| Querétaro | Querétaro, Querétaro | Corregidora | 34,000 |
| Real Zamora | Zamora, Michoacán | Zamora | 7,200 |
| Reboceros de La Piedad | La Piedad, Michoacán | Juan N. López | 13,356 |
| Sporting Canamy | Oaxtepec, Morelos | Olímpico de Oaxtepec | 9,000 |
| Toluca | Metepec, State of Mexico | Instalaciones de Metepec | 1,000 |
| Tuxtla | Tuxtla Gutiérrez, Chiapas | Víctor Manuel Reyna | 29,001 |
| UNAM | Coyoacán, Mexico City | La Cantera | 2,000 |
| Veracruz | Veracruz, Veracruz | CAR Veracruz | 1,000 |
Regular Season
Group 1
Standings
Results
Group 2
Standings
Results
Regular Season statistics
Scoring
- First goal of the season: Omar Salgado
Top goalscorers
| Rank | Player | Club | Goals |
| 1 |  Joaquín Alonso Hernández | Monterrey Premier | 13 |
| 2 | Humberto Leonardo Guzmán | Reboceros de La Piedad | 12 |
| 3 | Brian Santiago Lara | Cruz Azul Premier | 11 |
| 4 | Marco Antonio Granados | Loros UdeC | 11 |
| 5 |  Francisco Da Costa | Inter Playa del Carmen | 10 |
Source:
Attendance
Per team
Highest and lowest
Source:Liguilla de Ascenso (Promotion Playoffs)
The four best teams of each group play two games against each other on a home-and-away basis. The higher seeded teams play on their home field during the second leg. The winner of each match up is determined by aggregate score. In the quarterfinals and semifinals, if the two teams are tied on aggregate the higher seeded team advances. In the final, if the two teams are tied after both legs, the match goes to extra time and, if necessary, a penalty shoot-out.Tepatitlán was classified by its position in the season table
Quarter-finals
The first legs was played on 29 and 30 November 2017, and the second legs was played on 2 and 3 December 2017.First leg
Second leg
Semi-finals
The first legs was played on 6 and 7 December 2017, and the second legs was played on 9 and 10 December 2017.First leg
Second leg
Final
The first leg was played on 13 December 2017, and the second leg was played on 16 December 2017.First leg
Second leg
Liguilla de Filiales (Reserve Teams Playoffs)
Torneo [|Clausura]
Regular Season
Group 1
Standings
Results
Group 2
Standings
Results
Regular Season statistics
Scoring
- First goal of the season: Omar Salgado
Top goalscorers
| Rank | Player | Club | Goals |
| 1 |  Juan Galíndrez | Tijuana Premier | 14 |
| 2 | José Pablo Velasco | Necaxa Premier | 9 |
| 2 | Javier de Jesús Que | Tuxtla F.C. | 9 |
| 2 | Aldo Monzonis | Loros UdeC | 9 |
| 2 | Josué de Jesús Bustos | Gavilanes de Matamoros | 9 |
Source:
Attendance
Per team
Highest and lowest
Source:Liguilla de Ascenso (Promotion Playoffs)
The four best teams of each group play two games against each other on a home-and-away basis. The higher seeded teams play on their home field during the second leg. The winner of each match up is determined by aggregate score. In the quarterfinals and semifinals, if the two teams are tied on aggregate the higher seeded team advances. In the final, if the two teams are tied after both legs, the match goes to extra time and, if necessary, a penalty shoot-out.Quarter-finals
The first legs was played on 25 and 26 April 2018, and the second legs was played on 28 and 29 April 2018.First leg
Second leg
Semi-finals
The first legs was played on 2 May 2018, and the second legs was played on 5 May 2018.First leg
Second leg
Final
The first leg was played on 9 May 2018, and the second leg was played on 12 May 2018.First leg
Second leg
Liguilla de Filiales (Reserve Teams Playoffs)
Relegation Table
Last updated: 22 April 2018Source:
P = Position; G = Games played; Pts = Points; Pts/G = Ratio of points to games played
Promotion Final
The Promotion Final is a series of matches played by the champions of the tournaments Apertura and Clausura, the game is played to determine the winning team of the promotion to Ascenso MX.The first leg was played on 16 May 2018, and the second leg was played on 19 May 2018.