The Apertura 2018 Liga MX championship stage commonly known as Liguilla (mini league) was played from 28 November 2018 to 16 December 2018.
[1] A total of eight teams competed in the championship stage to decide the champions of the Apertura 2018 Liga MX season.
In the following table, the number of appearances, last appearance, and previous best result count only those in the short tournament era starting from Invierno 1996 (not counting those in the long tournament era from 1943–44 to 1995–96).
Cruz Azul advanced for being the higher seed in the classification table.
Assistant referees: José Luis Camargo (Estado de México) Marcos Quintero (Jalisco) Fourth official: Jorge Isaac Rojas (Mexico City) Video assistant referee: Ángel Monroy (Morelos)