Primera División A (Méxican First A Division) is –PrimeraDivisióa Mexican football tournament. This season was composed of Invieno 1999 and Verano 2000. Irapuato F.C. was the winner of the promotion to First Division after being champion in the two tournaments of the season.
Changes for the 1999–2000 season
Cuautitlán relocated to Puebla and renamed Lobos UAP. Tigrillos relocated to Ciudad Juárez and renamed Tigres de Ciudad Juárez. Ángeles de Puebla was a team created to occupy the place left by Puebla F.C. that remained in First Division after its owners bought the Union de Curtidores franchise. Chivas Tijuana renamed Nacional Tijuana. Alacranes de Durango was promoted from Second Division.
Stadiums and locations
Invierno 1999
Group league tables
Group 1
Group 2
Group 3
Group 4
General league table
Results
Reclassification series
First leg
Second leg
Liguilla
Quarter-finals
First leg
Second leg
Semi-finals
First leg
Second leg
Final
First leg
Second leg
Top scorers
Verano 2000
Group league tables
Group 1
Group 2
Group 3
Group 4
General league table
Results
Reclassification series
First leg
Second leg
Liguilla
Quarter-finals
First leg
Second leg
Semi-finals
First leg
Second leg
Final
First leg
Second leg
Top scorers
Relegation table
Promotion final
Irapuato F.C. gained the promotion to First Division directly, the team won the two tournaments corresponding to the season.