2002–03 Primera División A season
Primera División A "(Méxican First A Division)" is a Mexican football tournament. This season was composed of Invierno 2002 and Verano 2003. Irapuato was the winner of the promotion to First Division after winning León in the promotion playoff. Invierno 2002. Group league tables. Group 1. <onlyinclude></onlyinclude> Group 2. <onlyinclude></onlyinclude> Group 3. <onlyinclude></onlyinclude> Group 4. <onlyinclude></onlyinclude> Verano 2003. Group league tables. Group 1. <onlyinclude></onlyinclude> Group 2. <onlyinclude></onlyinclude> Group 3. <onlyinclude></onlyinclude> Group 4. <onlyinclude></onlyinclude> Liguilla. Final. Second leg. Promotion final . The promotion final faced Irapuato against León to determine the winner of the First Division Promotion. Irapuato was the winner. Before the celebration of the games a controversy was unleashed, because it was made believe that the board of the Club Leon had acquired the Irapuato. Subsequently, an armed command supposedly paid by the owners of the León occupied the Sergio León Chávez stadium, a few days later the fans recovered the building accompanied by police and military elements. Second leg.