1920–21 Primera Fuerza season

Liga Mexicana/Liga Nacional
Season1920–21
Champions(Annulled titles)
Liga Mexicana:
Asturias FC
(1st title)
Liga Nacional:
RC España
(1st title)

The 1920–21 season was divided into two leagues, Liga Mexicana (English: Mexican League) and Liga Nacional (English: National League). After the expulsion of Tigres México from the league, España FC and España Veracruz withdrew in solidarity. España FC changed its name to Real Club España and decided to form their own league called Liga Nacional. Due to the separation of the leagues, the champions were annulled by the amateur organizing body, which was the Asociación de Aficionados de México en la Liga de Football (English: The Mexico Amateur Association in the Football League).