Those teams are Atlético San Luis, Atlante, Celaya, Juárez, Sinaloa, and UdeG.
Source: Ascenso MX The eight best teams play two games against each other on a home-and-away basis.
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.
Cafetaleros de Tapachula defeated Leones Negros UdeG 3–2 on aggregate to win their first title.
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.
The final would not be played if one team wins both the Apertura and Clausura tournaments, and they would be automatically promoted if they meet Liga MX requirements.
The higher ranked team on the aggregate table, for the 2017–18 season, will play the second leg at home.
[47] Since the change in regulation for the 2017–18 season, neither team is certified to be promoted to Liga MX.
On 1 May 2018, the league announced there would be no changes to the relegation and promotion regulations agreed to before the beginning of the season.
Assistant referees: Cesar Cerritos García (Guanajuato) Enrique Martìnez Sandoval (Mexico City) Fourth official: Alejandro Funk Villafañe (Argentina)
Assistant referees: Enríque Isaac Bustos Díaz (Guerrero) Eduardo Acosta Orea (Morelos) Fourth official: Juan Andrés Esquivel González (Mexico City)
The aggregate table is used to determine seeding for the "Promotion" Final and for Apertura 2018 Copa MX qualification.