Primera División A (Méxican First A Division) is a Mexican football tournament. This season was composed of Apertura 2006 and Clausura 2007. Puebla was the winner of the promotion to First Division after winning Dorados de Sinaloa in the promotion playoff.

Changes for the 2006–07 season Dorados de Sinaloa was relegated from Primera División. The Mexican Football Federation forced that each of the 18 teams participating in the Primera División had a reserve team in Primera 'A'. For this reason, new expansion franchises were created: Pumas Morelos, Tecos 'A', Monarcas Morelia 'A', Santos Laguna 'A' and Gallos de Caliente. Some teams maintained their own identity, but signed partnership agreements with Primera División clubs. Coyotes de Sonora was moved to Zapotlanejo and was renamed as Académicos de Atlas. Chivas Coras was moved to Guadalajara and was renamed as C.D. Tapatío. Lagartos de Tabasco was moved to Coatzacoalcos, where it was renamed Tiburones Rojos, being a reserve team of Veracruz. Pegaso Anáhuac was promoted from Second Division. However, the team was moved to Colima and was renamed as Pegaso Real Colima. Guerreros de Tabasco, new expansion team. Before Clausura 2007, Gallos de Caliente was renamed Club Celaya and was relocated to the homonymous city. Instead, businessmen in Tijuana bought the franchise belonging to Guerreros de Tabasco, moved it to the city and called it Club Tijuana. Before Clausura 2007, Zacatepec was moved to Mexico City and was renamed as Socio Águila F.C.

Stadiums and locations ClubStadiumCapacityCityAffiliateAcadémicosMiguel Hidalgo3,000Zapotlanejo, JaliscoAtlas F.C.Atlético MexiquenseIxtapan 904,000Ixtapan de la Sal, State of MexicoTolucaCorrecaminos UATMarte R. Gómez20,000Ciudad Victoria, TamaulipasNoneCruz Azul Hidalgo10 de Diciembre17,000Ciudad Cooperativa Cruz Azul, HidalgoCruz AzulDorados de SinaloaBanorte19,000Culiacán, SinaloaNecaxaDurangoFrancisco Zarco15,000Durango, DurangoNoneGallos de CalienteUnidad Deportiva CREA10,000Tijuana, Baja CaliforniaQuerétaroGuerreros de TabascoOlímpico de Villahermosa12,000Villahermosa, TabascoNoneIndiosOlímpico Benito Juárez22,000Ciudad Juárez, ChihuahuaPachucaLeónNou Camp35,000León, GuanajuatoNoneLobos BUAPCuauhtémoc42,600Puebla, PueblaNoneMonarcas Morelia 'A'Morelos39,000Morelia, MichoacánMonarcas MoreliaPegaso Real ColimaColima17,000Colima, ColimaAtlantePueblaCuauhtémoc42,600Puebla, PueblaNonePumas MorelosCentenario14,800Cuernavaca, MorelosPumas UNAMRayados 'A'El Barrial / Tecnológico1,000 / 36,000Monterrey, Nuevo LeónMonterreySalamancaOlímpico Sección 2410,000Salamanca, GuanajuatoJaguares de ChiapasSantos Laguna 'A'Corona19,000Torreón, CoahuilaSantos LagunaTampico MaderoTamaulipas30,000Tampico - Madero, TamaulipasSan LuisTapatíoAnacleto Macías "Tolán"4,000Guadalajara, JaliscoGuadalajaraTecos 'A'Tres de Marzo25,000Zapopan, JaliscoTecos UAGTiburones Rojos de CoatzacoalcosRafael Hernández Ochoa4,800Coatzacoalcos, VeracruzVeracruzTigres MochisCentenario LM7,000Los Mochis, SinaloaTigres UANLZacatepecAgustín Coruco Díaz18,000Zacatepec, MorelosAmérica

Clausura 2007 new teams ClubStadiumCapacityCityAffiliateClub CelayaMiguel Alemán24,000Celaya, GuanajuatoQuerétaroSocio ÁguilaEstadio Azteca114,600Mexico CityAméricaTijuanaUnidad Deportiva CREA10,000Tijuana, Baja CaliforniaNone

Apertura 2006 Group league tables Group 1

Group 2

Results

Liguilla

(*) Team won the series as best-seeded team.

Quarter-finals

First leg

Second leg

Semi-finals

First leg

Second leg

Final

First leg

Second leg

Clausura 2007 Group league tables Group 1

Group 2

Results

Liguilla

(*) The team won the series as best-seeded team.

Quarter-finals

First leg

Second leg

Semi-finals

First leg

Second leg

Final

First leg

Second leg

Relegation table Pos. Team Pld. Pts. 20.Santos Laguna 'A' 34 39 1.1471 -9 21.Atlético Mexiquense 110 126 1.1455 -15 22.Académicos 72 81 1.1250 -22 23.Tecos 'A' 34 34 1.0000 -12 24.Monarcas Morelia 'A' 34 31 0.9198 -27

Campeón de Ascenso 2007 The promotion final faced Puebla against Dorados de Sinaloa to determine the winner of the First Division Promotion. Puebla was the winner.

First leg

Second leg

Notes

References