The 2020–21 Liga de Balompié Mexicano season was the 1st professional season of the most important league of competitions organized by the Asociación Nacional del Balompié Mexicano, a Mexican football federation affiliated with CONIFA.
[3] On December 1, 2020, four franchises were placed on hiatus due to financial or administrative problems: Acaxees de Durango, Los Cabos, San José and Veracruzano Tiburón.
[11] On January 4, 2021, Atlético Capitalino abandoned the season due to problems derived from the COVID-19 pandemic that affect Mexico City.
[12] On December 30, 2020, Halcones de Zapopan withdrew from the season due to financial problems, planning to come back next season as long as the league had adjustments in its structure and had better financial stability,[14] however, on January 12, 2021 the team left the LBM due to lack of compliance with the league board and announced their goal of seeking to join another competition.
[15] Notes On January 5, 2021, the LBM announced the end of the regular season due to the small number of teams that continued to participate.