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The 1919–20 season was the 18th edition of the Liga Mexicana de Football Amateur Association. The season started with 9 teams with the return of Club México, Asturias FC joined the league. However, Tigres México were expelled for not showing up in their last 3 matches and all their matches were annulled. While España FC and España Veracruz withdrew.
It was the last season before the separation of the league (Liga Mexicana and Liga Nacional).