2001–02 Primera División A season
Primera División A "(Méxican First A Division)" is a Mexican football tournament. This season was composed of Invieno 2001 and Verano 2002. Real San Luis was the winner of the promotion to First Division after winning Tiburones Rojos de Veracruz in the promotion playoff. However, Veracruz was also promoted to First Division after defeating Club León in a promotional series. Invierno 2001. Group league tables. Group 1. <onlyinclude></onlyinclude> Group 2. <onlyinclude></onlyinclude> Group 3. <onlyinclude></onlyinclude> Group 4. <onlyinclude></onlyinclude> Verano 2002. Group league tables. Group 1. <onlyinclude></onlyinclude>  Group 2. <onlyinclude></onlyinclude> Group 3. <onlyinclude></onlyinclude> Group 4. <onlyinclude></onlyinclude> Promotion final. The Promotion Final faced Real San Luis against Veracruz to determine the winner of the First Division Promotion. San Luis was the winner. First division promotion playoff. The Mexican Football Federation decided to increase the number of teams in the Primera División to 20 participants, so it was decided to play a promotion series between León, the last place in the Primera División relegation table, and Veracruz, Primera A season runner-up. Finally, Veracruz was the winner the team was promoted to Primera  División. However, there was already a team in Veracruz, the owners decided to transfer the team promoted to Tuxtla Gutiérrez, where it was renamed as Jaguares de Chiapas. Relegation Playoff. A relegation series faced Chapulineros de Oaxaca, last team in the Primera A relegation table, against Astros de Ciudad Juárez, Second Division runner-up.