1925 Guanajuato, Mexico City Agrarian, Mexico City Club Mexico, Mexico City Nacional, Puebla, and Veracruz has start the league 1926 Guanajuato, Jalapa, Mexico City Artillery, Mexico City Carmona, Mexico City Club Mexico, Meixo City Gertrudis, San Luis Potosi 1927 Mexico City Gendarmerie and Pachuca enter the League and Guanajuato, Mexico City Carmona, and Mexico City Gertrudis has left the League 1928 Mexico City Adams Chiclets, Mexico City Carmona, Mexico City Police, Mexico City Tigers, Mexico City Union, Pachuca and Puebla 1943 No teams enter or left the league