This tournament featured clubs from Liga MX who did not participate in the 2015-16 CONCACAF Champions League (América, Querétaro, Santos Laguna and UANL)[2] All Ascenso MX teams except FC Juárez and Sonora also participated, no official reason was given for the clubs' exclusion from the tournament.
If two or more clubs are equal on points on completion of the group matches, the following criteria are applied to determine the rankings: [3] Every group is composed by four clubs, two from Liga MX and two from Ascenso MX.
An extra point is awarded for every round won; a round is won by aggregated score, and if it is a tie, the extra point will be awarded to the team with higher number of goals scored away.
If two or more teams are equal on points on completion of the group matches, the following criteria are applied to determine the rankings: The eight clubs that advance to this stage were ranked and seeded 1 to 8 based on performance in the group stage.
If a game ends in a draw, it will proceed directly to a penalty shoot-out.