Liga MX is the top professional football league in Mexico, composed of 18 clubs. The league calendar consists of two annual tournaments: Apertura (July-December) and Clausura (January-May). The league champions are determined through a playoff tournament known as 'liguilla'. Promotion and relegation have been suspended since 2020, and will last until 2026.
In 1922, the Campeonato de Primera Fuerza, the first amateur league organized by a national football federation in Mexico, was created.
In the 1940–41 season, the first matches of the Campeonato de Primera Fuerza held outside of Mexico City were played.
In 1943, the Campeonato de Primera Fuerza ended.
In 1943, the first true national and professional league in Mexico was established.
In 1943, the league was initially established as Liga Mayor.
In 1949, Liga Mayor was renamed to Primera División de México.
The start of La Liguilla in 1970 modernized the league.
Since 1986, Voit has been the official match ball manufacturer of Liga MX.
From 1996 to 2002, the league followed a two short tournaments in the season, schedule with Invierno and Verano tournaments.
From 2002 to 2011, the 18 teams were divided into three groups of six.
In 2011, a rule was introduced requiring teams to play the final game of every season on Sunday during prime time.
In 2011, the league stopped using the group format.
In 2012, Liga MX canceled an agreement regarding television rights negotiations between promoted and relegated teams due to a dispute with Club León and Televisa.
In 2012, Primera División de México was rebranded to Liga MX.
Prior to the start of the 2012-13 season, the organization Liga MX/Ascenso MX was created to replace the FMF as the organizing body of the competition, and the league announced a rebranding with a new logo.
Up until its rebranding in 2012, Liga MX did not have a title sponsor.
In July 2013, league president Decio de María announced BBVA Bancomer as the official sponsor of Liga MX.
From 2013-16, Telemundo broadcasts Liga MX matches in the United States.
During the 2014-15 season, Liga MX had the highest average attendance of any football league in the Americas, with 25,557 attendees.
In 2014, the contract with Voit as the official match ball manufacturer was extended for four years.
On 18 September 2015, the sponsorship deal with BBVA Bancomer was extended until 2019.
For the Apertura 2016, Guadalajara home matches in Mexico were exclusively shown on an internet streaming service called Chivas TV.
On February 13, 2017, Univision Deportes announced it would live stream 46 games in English on Facebook in the United States.
As of April 8, 2017, Guadalajara matches were shown on both Televisa's Televisa Deportes Network (TDN) and Chivas TV.
In July 2017, Televisión Nacional de Chile (TVN) announced it would show Liga MX matches involving Chilean players in Chile.
In September 2017, Univision began airing Lobos BUAP's home matches, thus holding the rights to all 18 Liga MX teams.
In October 2017, Fox Sports announced that it acquired the long-term exclusive Spanish-language rights to Tijuana and Santos Laguna home matches in the United States, Mexico, and the rest of Latin America.
Prior to the start of the 2017-18 season, the rules for relegation and promotion changed, including financial penalties for teams that win promotion but do not meet Liga MX requirements.
On May 26, 2018, Fox Sports announced it acquired the rights of C.F. Monterrey's home matches in the United States and Latin America.
On August 2018, Liga MX announced that it would begin testing the use of VAR technology.
As of the 2018-19 season, only six teams met the full requirements to be promoted to Liga MX.
In Apertura 2018, Fox Sports started to air Tijuana home matches in the United States, Mexico, and the rest of Latin America.
Through the end of the Clausura 2018 season, Univision held the rights to all 18 Liga MX teams.
On 18 June 2019, the league was renamed as Liga BBVA MX.
On 4 July 2019, the sponsorship contract with BBVA was renewed until 2021.
As of the Apertura 2019 season, ESPN Deportes airs the majority of León, Necaxa, Pachuca, Querétaro, and UANL regular season home matches in the United States.
From 2019, OneSoccer began broadcasting Liga MX for Canadian viewers.
In 2019, DAZN began broadcasting Liga MX for two seasons in Brazil.
In 2019, the 2019-20 coronavirus pandemic started, which had a significant impact on the Ascenso MX and Liga MX.
In Apertura 2019, Fox Sports started to air Santos Laguna home matches in the United States, Mexico, and the rest of Latin America.
On April 16, 2020, Ascenso MX was folded and promotion and relegation were suspended for six years due to the coronavirus pandemic and lack of financial resources.
In 2020, promotion and relegation were suspended in Liga MX.
On 15 July 2021, OneFootball announced it would broadcast between two and five live matches in selected international markets.
On 16 August 2021, Eleven Sports announced it would broadcast the home Liga MX matches of C.D. Guadalajara for the 2021-22 season in more than 100 countries.
In 2021, OneSoccer broadcasts Liga MX for Canadian viewers.
In 2021, the sponsorship contract with BBVA was renewed.
The following 18 clubs will compete in the Liga MX during the 2024–25 season.
The suspension of promotion and relegation in Liga MX is scheduled to last until 2026.