| Competition: | Primera División de México |
| Season: | 2009–10 |
| Winners: | Apertura: Monterrey (3rd title) Bicentenario: Toluca (10th title) |
| Continentalcup1: | Champions League |
| Continentalcup1 Qualifiers: | Monterrey Toluca Cruz Azul Santos Laguna |
| Continentalcup2: | Copa Libertadores |
| Continentalcup2 Qualifiers: | Morelia Monterrey Tecos Guadalajara San Luis |
| Continentalcup3: | InterLiga |
| Continentalcup3 Qualifiers: | América Monterrey Santos Laguna Puebla Atlante UANL Estudiantes Tecos Chiapas |
| Continentalcup4: | SuperLiga |
| Continentalcup4 Qualifiers: | Pachuca Morelia Puebla UNAM |
| Relegated: | Ciudad Juárez |
| Matches: | 176 |
| Total Goals: | 472 |
| League Topscorer: | Apertura: Emanuel Villa (17 goals) Bicentenario: Javier Hernández Johan Fano Hérculez Gómez (10 goals) |
| Biggest Home Win: | América 7–2 Toluca (August 30, 2009) Morelia 5–0 Ciudad Juárez (August 16, 2009) América 5–0 Estudiantes Tecos (September 13, 2009) Morelia 5–0 Querétaro (September 27, 2009) Toluca 5–0 Estudiantes Tecos (April 4, 2010) |
| Biggest Away Win: | Atlas 1–4 Guadalajara(November 7, 2009) |
| Prevseason: | Clausura 2009 |
| Nextseason: | 2010–11 |
The 2009–10 Primera División de México season is the 63rd professional season of Mexico's top-flight football league, and 13th season in which the Apertura and Clausura system is used. The season is split into two tournaments - the Torneo Apertura and the Torneo Bicentenario - each with identical formats and each contested by the same eighteen teams.
Seventeen teams returned for this season. Necaxa was relegated the previous season after accumulating the lowest coefficient over the past three seasons. They were replaced by Querétaro, who was promoted from the Liga de Ascenso.
| Team | Outgoing manager | Manner of departure | Date of vacancy | Replaced by | Date of appointment | Position in table | |
|---|---|---|---|---|---|---|---|
| Querétaro |  Héctor Medrano | Resigned | Aug. 23, 2009 | Carlos Reinoso | Aug. 26, 2009 | 16th | |
| Guadalajara | Francisco Ramírez | Sacked | Sep. 12, 2009 | Raúl Arias | Sep. 15, 2009 | 15th | |
| Ciudad Juárez | Héctor Hugo Eugui | Sacked | Sep. 28, 2009 | José Treviño | Oct. 11, 2009 | 17th | |
| San Luis | Juan Antonio Luna | Resigned | Oct. 12, 2009 | 10th | |||
| Guadalajara | Raúl Arias | Sacked | Nov. 3, 2009 | José Luis Real | Nov. 3, 2009 | 14th | |
| Changes during the Bicentenario | |||||||
| Ciudad Juárez | José Treviño | Sacked | March 1, 2010 | TBA | TBA | 18th | |
The 2009 Torneo Apertura was the first tournament of the season. The tournament began on July 24 and ended on December 13. Defending champion UNAM failed to defend their title after missing the playoffs. On December 13, 2009, Monterrey defeated Cruz Azul 6–4 in aggregate score to win their third title. Cruz Azul forward Emanuel Villa won his first golden boot after scoring 17 goals, five more than Héctor Mancilla who won it the two previous tournaments.
See main article: Primera División de México Apertura 2009 Liguilla.
The awards for this tournament were given out in Mexico City on January 17, 2010.[1]
The 2010 Torneo Bicentenario is the second tournament of the season. The tournament began on January 16 and ended on May 15. The tournament got its name (the Bicentennial tournament) to commemorate the bicentennial anniversary of the Mexican independence.
See main article: Primera División de México Bicentenario 2010 Liguilla.
| width=28 | width=185 | Team | width=40 | width=40 | width=40 | width=40 | width=40 | width=40 | width=45 | width=45 | width=50 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Toluca | 34 | 27 | 27 | 36 | 35 | 30 | 189 | 102 | ||||||||||||
| 2 | Santos Laguna | 38 | 31 | 22 | 22 | 27 | 28 | 168 | 102 | ||||||||||||
| 3 | Guadalajara | 31 | 33 | 25 | 21 | 19 | 32 | 161 | 102 | ||||||||||||
| 4 | Cruz Azul | 25 | 31 | 26 | 13 | 33 | 25 | 153 | 102 | ||||||||||||
| 5 | Pachuca | 24 | 22 | 21 | 36 | 24 | 25 | 152 | 102 | ||||||||||||
| 6 | Monterrey | 14 | 24 | 19 | 26 | 30 | 36 | 149 | 102 | ||||||||||||
| 7 | Morelia | 22 | 18 | 24 | 22 | 33 | 25 | 144 | 102 | ||||||||||||
| 8 | UNAM | 24 | 20 | 26 | 28 | 17 | 28 | 143 | 102 | ||||||||||||
| 9 | San Luis | 29 | 30 | 29 | 17 | 21 | 14 | 140 | 102 | ||||||||||||
| 10 | América | 26 | 11 | 21 | 23 | 30 | 25 | 136 | 102 | ||||||||||||
| 11 | Atlante | 33 | 17 | 27 | 17 | 23 | 16 | 133 | 102 | ||||||||||||
| 12 | Puebla | 17 | 21 | 15 | 26 | 26 | 19 | 124 | 102 | ||||||||||||
| 13 | Estudiantes Tecos | 17 | 17 | 25 | 25 | 20 | 19 | 123 | 102 | ||||||||||||
| 14 | Chiapas | 18 | 26 | 18 | 21 | 19 | 19 | 121 | 102 | ||||||||||||
| 15 | Atlas | 12 | 23 | 22 | 21 | 18 | 24 | 120 | 102 | ||||||||||||
| 16 | Querétaro | 0 | 0 | 0 | 0 | 18 | 21 | 39 | 34 | ||||||||||||
| 17 | UANL | 16 | 19 | 26 | 14 | 22 | 19 | 116 | 102 | ||||||||||||
| 18 | Ciudad Juárez (R) | 0 | 0 | 19 | 23 | 6 | 15 | 63 | 68 |
| Relegated to the Liga de Ascenso |
