1990–91 Mexican Primera División season

These are statistics of Primera División de México for the 1990–91 season.

Overview
It was contested by 20 teams, and Pumas de la UNAM won the championship.

León was promoted from Segunda División.

Querétaro bought the franchise of Tampico Madero, which allowed the team to return to Primera División.

Irapauto was relegated to Segunda División.

Finals

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