| Competition: | Liga de Ascenso |
| Winners: | Apertura: Necaxa Clausura: Necaxa |
| Promoted: | Necaxa |
| Relegated: | None |
| Season: | 2009–10 |
| Prevseason: | 2008–09 |
| Nextseason: | 2010–11 |
The 2009-2010 season was the first under the new name Liga de Ascenso, renamed from Primera A.
Also the Clausura part of the tournament was renamed Bicentenario 2010 in honor of the 200 year anniversary of the declaration for Mexican Independence.
From Clausura 2009 to the new format there were many changes, the 3 group format was dropped in favor of 1 single table with the top 7 teams advancing to the playoffs, the top team over all to the semifinals and the next 6 teams to the quarterfinals.
The number of teams decreased from 27 to 17 teams
| Club | Stadium | Capacity | City | |
|---|---|---|---|---|
| Lobos BUAP | Cuauhtémoc | 46,912 | Puebla | |
| Cruz Azul Hidalgo | 10 de Diciembre | 17,000 | Mexico City | |
| Durango | Francisco Zarco | 18,000 | Durango | |
| Guerreros | Héroe de Nacozari | 22,000 | Hermosillo | |
| Irapuato | Sergio León Chavez | 33,000 | Irapuato | |
| La Piedad | Juan N. López | 17,000 | La Piedad | |
| León | Nou Camp | 33,943 | León | |
| Mérida | Carlos Iturralde | 21,050 | Mérida | |
| Necaxa | Victoria | 25,000 | Aguascalientes | |
| Orizaba | Luis de la Fuente | 30,000 | Veracruz | |
| Potros Neza | Neza 86 | 28,500 | Nezahualcóyotl | |
| Pumas Morelos | Centenario | 15,237 | Cuernavaca | |
| Dorados de Sinaloa | Banorte | 21,000 | Culiacán | |
| Tijuana | Caliente | 33,333 | Tijuana | |
| Correcaminos | Marte R. Gómez | 19,500 | Ciudad Victoria | |
| U. de G. | Jalisco | 60,000 | Guadalajara | |
| Veracruz | Luis de la Fuente | 30,000 | Veracruz |
| Season: | 2009–10 |
| Matches: | 136 |
| Total Goals: | 329 |
| League Topscorer: | Ariel González (11) |
| Biggest Home Win: | León 5–1 Cruz Azul Hidalgo (23 August 2009) Necaxa 5–1 Potros Neza (24 October 2009) Veracruz 4–0 Cruz Azul Hidalgo (7 November 2009) |
| Biggest Away Win: | Sinaloa 0–2 Lobos BUAP (15 August 2009) Orizaba 1–3 Necaxa (26 September 2009) Durango 3–5 Pumas Morelos (4 October 2009) |
| Highest Scoring: | Durango 3–5 Pumas Morelos (4 October 2009) |
The 2009 Liga de Ascenso Apertura was the first and inaugural football tournament of the 2009–10 Liga de Ascenso season. The tournament began on July 31, 2009 and ended on December 13, 2009.
See main article: Liga de Ascenso Apertura 2009 Liguilla.
| Rank | Player | Club | Goals | |
|---|---|---|---|---|
| 1 |  Ariel González | Irapuato | 11 | |
| 2 | Fausto David Ruiz | Potros Neza | 10 | |
| 3 | Bosco Frontán | La Piedad | 8 | |
| 4 | Nelson Sebastián Maz | Necaxa | 8 | |
| 5 | Raúl Enríquez | Tijuana | 8 | |
| 6 | Luis Orozco | León | 7 | |
| 7 | Pedro Solís | Correcaminos | 7 | |
| 8 | Francisco Bravo | Veracruz | 7 | |
| 9 | Dany González | Durango | 7 | |
| 10 | Álvaro González | Lobos BUAP | 7 | |
| Source: FeMexFut | ||||
| Season: | 2009–10 |
| League Topscorer: |  Ariel González (11 goals) |
| Biggest Home Win: | Necaxa 4–0 Guerreros (16 January 2010) Irapuato 4–0 Veracruz (17 January 2010) Mérida 4–0 La Piedad (30 January 2010) |
| Biggest Away Win: | Orizaba 1–4 Tijuana (6 February 2010) |
| Highest Scoring: | Potros Neza 3–4 Pumas Morelos (31 January 2010) Durango 4–3 Guerreros (20 February 2010) |
The 2010 Liga de Ascenso Bicentenario is the second football tournament of the 2009–10 Liga de Ascenso season.
See main article: Liga de Ascenso Bicentenario 2010 Liguilla.
| Award | Player | Team | ||
|---|---|---|---|---|
| MVP | ||||
| Best Manager | ||||
| Best Goalkeeper | ||||
| Best Wingback | ||||
| Best Centre back | ||||
| Best Defensive Midfielder | ||||
| Best Offensive Midfielder | ||||
| Best Forward | ||||
| Best Rookie | ||||
| Golden Boot | ||||
| Source:Medio Tiempo | ||||
| Rank | Player | Club | Goals | |
|---|---|---|---|---|
| 1 | Carlos Casartelli | León | 8 | |
| 2 | Raúl Enríquez | Tijuana | 7 | |
| align=center rowspan=2 | 3 | Ariel González | Irapuato | 6 |
| Mauro Gerk | Tijuana | 6 | ||
| align=center rowspan=4 | 5 | Nelson Maz | Necaxa | 5 |
| Pablo Bonells | Pumas Morelos | 5 | ||
| Luis Orozco | León | 5 | ||
| Rafael Murguía | La Piedad | 5 | ||
| Source: FeMexFut | ||||
Relegation is determined by a quotient of the total points earned in the Liga de Ascenso divided by the total number of games played over the past three seasons of the Liga de Ascenso (for clubs that have not been the Liga de Ascenso all three season, the last consecutive seasons of participation are taken into account). The club with the lowest quotient is relegated to the Segunda División Profesional for the next season.
| Pos. | Club | Total Points | Total Games | ||
|---|---|---|---|---|---|
| 1 | Necaxa | 47 | 25 | 1.8800 | |
| 2 | León | 170 | 92 | 1.8478 | |
| 3 | Tijuana | 107 | 58 | 1.8448 | |
| 4 | Veracruz | 97 | 57 | 1.7018 | |
| 5 | Dorados de Sinaloa | 153 | 91 | 1.6813 | |
| 6 | Irapuato | 94 | 57 | 1.6491 | |
| 7 | Lobos BUAP | 147 | 92 | 1.5978 | |
| 8 | Cruz Azul Hidalgo | 141 | 91 | 1.5495 | |
| 9 | Correcaminos | 144 | 93 | 1.5484 | |
| 10 | Pumas Morelos | 136 | 92 | 1.4783 | |
| 11 | Mérida | 132 | 91 | 1.4505 | |
| 12 | Durango | 122 | 91 | 1.3407 | |
| 13 | Orizaba | 117 | 92 | 1.2717 | |
| 13 | La Piedad | 117 | 92 | 1.2717 | |
| 15 | Potros Neza | 59 | 57 | 1.0351 | |
| 16 | U. de G. | 94 | 92 | 1.0217 | |
| 17 | Guerreros | 81 | 91 | 0.8901 * |