Primera División A (Méxican First A Division) is a Mexican football tournament. This season was composed of Apertura 2005 and Clausura 2006. Querétaro was the winner of the promotion to First Division after winning Puebla in the promotion playoff.

Changes for the 2005–06 season Chivas La Piedad relocated to Tepic and renamed to Chivas Coras. Celaya relocated to Salamanca and renamed Petroleros de Salamanca. Mérida F.C. was acquired by new owners, for that reason the team was moved to Irapuato and renamed Club Irapuato. Pachuca Juniors relocated to Ciudad Juárez and renamed Indios. Pioneros de Obregón relocated to Tijuana and renamed Dorados de Tijuana. Potros Neza was relocated to Tampico and renamed Tampico Madero. Académicos de Atlas was promoted from Second Division, the club was renamed Coyotes de Sonora and re-located to Hermosillo, Sonora. Huracanes de Colima was bought by Televisa, the team relocated to Playa del Carmen and renamed to Águilas Riviera Maya. At the end of the Apertura tournament, the team was relocated to Zacatepec as a result of Hurricane Wilma impact. From the Clausura tournament, the team was renamed as Club Zacatepec. Rayados A and Tigres Mochis new teams.

Stadiums and locations ClubStadiumCapacityCityÁguilas Riviera MayaMario Villanueva Madrid7,000Playa del Carmen, Quintana RooAtlético MexiquenseNemesio Díez35,000Toluca, State of MexicoChivas CorasNicolás Álvarez Ortega7,000Tepic, NayaritCoatzacoalcosRafael Hernández Ochoa4,800Coatzacoalcos, VeracruzCorrecaminos UATMarte R. Gómez20,000Ciudad Victoria, TamaulipasCoyotes de SonoraHéroe de Nacozari22,000Hermosillo, SonoraCruz Azul OaxacaBenito Juárez15,000Oaxaca, OaxacaDurangoFrancisco Zarco15,000Durango, DurangoIndiosOlímpico Benito Juárez22,000Ciudad Juárez, ChihuahuaIrapuatoSergio León Chávez28,500Irapuato, GuanajuatoLeónNou Camp35,000León, GuanajuatoLobos BUAPOlímpico BUAP20,000Puebla, PueblaPueblaCuauhtémoc42,600Puebla, PueblaRayados AEl Barrial / Tecnológico1,000 / 36,000Monterrey, Nuevo LeónQuerétaroCorregidora35,000Querétaro, QuerétaroSalamancaOlímpico Sección 2410,000Salamanca, GuanajuatoTabascoOlímpico de Villahermosa12,000Villahermosa, TabascoTampico MaderoTamaulipas30,000Tampico - Madero, TamaulipasTigres MochisCentenario LM7,000Los Mochis, SinaloaTijuanaUnidad Deportiva CREA10,000Tijuana, Baja California

Clausura 2006 new team ClubStadiumCapacityCityZacatepecAgustín Coruco Díaz18,000Zacatepec, Morelos

Apertura 2005 Group league tables Group 1

Group 2

Group 3

Group 4

General league table

Results

Reclasification series

First leg

Second leg

Liguilla

(p.t.) The team was classified by its position in the general table

Quarter-finals

First leg

Second leg

Semi-finals

First leg

Second leg

Final

First leg

Second leg

Clausura 2006 Group league tables Group 1

Group 2

Group 3

Group 4

General league table

Results

Reclasification series

First leg

Second leg

Liguilla

(p.t.) The team was classified by its position in the general table

Quarter-finals

First leg

Second leg

Semi-finals

First leg

Second leg

Final

First leg

Second leg

Relegation table Pos. Team Pld. Pts. GD 16.Puebla 38 47 1.2368 -9 17.Lobos BUAP 76 94 1.2368 -17 18.Zacatepec 114 139 1.2193 -39 19.Irapuato 114 138 1.2105 -12 20.Tijuana 114 123 1.0789 -44

Campeón de Ascenso 2006 The Promotion Final faced Puebla against Querétaro to determine the winner of the First Division Promotion. Querétaro was the winner.

First leg

Second leg

References