Primera División de México Apertura 2008
The 2008 Primera División Apertura is the first football tournament of the Mexican Primera División 2008−09 season. The tournament began in August 2008 and was contested by the league's 18 teams.
Reigning champion Santos Laguna failed to advance to the final losing 2-1 on a two-leg aggregate to eventual champions Toluca in the semifinals, and were unable to defend their title. The team of Toluca would beat Cruz Azul 7-6 in penalties after tying 2-2 on a two-leg aggregate. This was Toluca's 9th championship, placing them as the third most successful club behind América and Guadalajara.Teams and Stadia
Managerial changes
This is a list of managerial changes made during the tournament.
| Team | Outgoing manager | Manner of departure | Date of departure | Incoming manager | Date hired | Position in table |
| Ciudad Juárez |  Sergio Orduña | Sacked | Aug. 18, 2008 |  Héctor Hugo Eugui | Aug. 19, 2008 | 18th |
| Tecos | José Trejo | Sacked | Sep. 1, 2008 | Miguel Herrera | Sep. 2, 2008 | 8th |
| Atlas |  Miguel Brindisi | Resigned | Sep. 4, 2008 | Darío Franco | Sep. 5, 2008 | 17th |
| Puebla | José Sánchez | Sacked | Sep. 17, 2008 | Mario Carrillo | Sep. 17, 2008 | 16th |
| Chiapas | Sergio Almaguer | Sacked | Oct. 1, 2008 | Francisco Avilán | Oct. 1, 2008 | 18th |
| Necaxa | Salvador Reyes Jr. | Sacked | Oct. 13, 2008 | Octavio Becerril | Oct. 14, 2008 | 18th |
Regular Season
Standings
Group standings
Results
Playoffs
Source:
