| Season | 2004−05 | 
|---|---|
| Champions | UNAM (5th title) | 
| Champions' Cup | Monterrey | 
| Copa Libertadores | UANL Pachuca Guadalajara (First Stage)  | 
| Copa Sudamericana | UNAM | 
| Top goalscorer | Guillermo Franco (15 goals)  | 
Primera División de México (Mexican First Division) Apertura 2004 is a Mexican football tournament - one of two short tournaments that take up the entire year to determine the champion(s) of Mexican football. It began on Saturday, August 14, 2004, and ran until November 20, when the regular season ended. Dorados de Sinaloa was promoted to the México Primera División thus, San Luis, Irapuato and Querétaro were all relegated to the Primera División A, making it 18 teams in the Primera División as opposed to 20. On December 11, UNAM defeated Monterrey and became champions for the fifth time.
Overview
Final standings (groups)
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | 
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Atlante | 17 | 7 | 3 | 7 | 27 | 33 | −6 | 24 | Automatically qualified for the Liguilla (Playoffs) | 
| 2 | UNAM | 17 | 7 | 2 | 8 | 25 | 31 | −6 | 23 | |
| 3 | Morelia | 17 | 6 | 4 | 7 | 29 | 30 | −1 | 22 | |
| 4 | América | 17 | 5 | 5 | 7 | 17 | 23 | −6 | 20 | |
| 5 | Sinaloa | 17 | 4 | 4 | 9 | 25 | 32 | −7 | 16 | |
| 6 | UAG | 17 | 4 | 4 | 9 | 17 | 29 | −12 | 16 | 
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | 
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Toluca | 17 | 10 | 2 | 5 | 27 | 15 | +12 | 32 | Automatically qualified for the Liguilla (Playoffs) | 
| 2 | Atlas | 17 | 9 | 4 | 4 | 34 | 24 | +10 | 31 | |
| 3 | Guadalajara | 17 | 8 | 5 | 4 | 34 | 22 | +12 | 29 | Qualified for Liguilla (Playoffs) on a points basis | 
| 4 | UANL | 17 | 6 | 5 | 6 | 37 | 27 | +10 | 23 | |
| 5 | Puebla | 17 | 5 | 6 | 6 | 17 | 23 | −6 | 21 | |
| 6 | Cruz Azul | 17 | 4 | 4 | 9 | 30 | 37 | −7 | 16 | 
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | 
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Veracruz | 17 | 11 | 2 | 4 | 27 | 25 | +2 | 35 | Automatically qualified for the Liguilla (Playoffs) | 
| 2 | Pachuca | 17 | 9 | 5 | 3 | 30 | 19 | +11 | 32 | |
| 3 | Monterrey | 17 | 8 | 3 | 6 | 36 | 34 | +2 | 27 | Qualified for Liguilla (Playoffs) on a points basis | 
| 4 | Necaxa | 17 | 6 | 3 | 8 | 27 | 26 | +1 | 21 | |
| 5 | Santos Laguna | 17 | 5 | 3 | 9 | 22 | 22 | 0 | 18 | |
| 6 | Chiapas | 17 | 4 | 6 | 7 | 20 | 29 | −9 | 18 | 
League table
| Pos | Team | Pld | W | D | L | GF | GA | GD | Pts | Qualification | 
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Veracruz | 17 | 11 | 2 | 4 | 27 | 25 | +2 | 35 | Automatically qualified for the Liguilla (Playoffs) | 
| 2 | Toluca | 17 | 10 | 2 | 5 | 27 | 15 | +12 | 32 | |
| 3 | Pachuca | 17 | 9 | 5 | 3 | 30 | 19 | +11 | 32 | |
| 4 | Atlas | 17 | 9 | 4 | 4 | 34 | 24 | +10 | 31 | |
| 5 | Guadalajara | 17 | 8 | 5 | 4 | 34 | 22 | +12 | 29 | Qualified for Liguilla (Playoffs) on a points basis | 
| 6 | Monterrey | 17 | 8 | 3 | 6 | 36 | 34 | +2 | 27 | |
| 7 | Atlante | 17 | 7 | 3 | 7 | 27 | 33 | −6 | 24 | Automatically qualified for the Liguilla (Playoffs) | 
| 8 | UANL | 17 | 6 | 5 | 6 | 37 | 27 | +10 | 23 | |
| 9 | UNAM | 17 | 7 | 2 | 8 | 25 | 31 | −6 | 23 | Automatically qualified for the Liguilla (Playoffs) | 
| 10 | Morelia | 17 | 6 | 4 | 7 | 29 | 30 | −1 | 22 | |
| 11 | Necaxa | 17 | 6 | 3 | 8 | 27 | 26 | +1 | 21 | |
| 12 | Puebla | 17 | 5 | 6 | 6 | 17 | 23 | −6 | 21 | |
| 13 | América | 17 | 5 | 5 | 7 | 17 | 23 | −6 | 20 | |
| 14 | Santos Laguna | 17 | 5 | 3 | 9 | 22 | 22 | 0 | 18 | |
| 15 | Chiapas | 17 | 4 | 6 | 7 | 20 | 29 | −9 | 18 | |
| 16 | Cruz Azul | 17 | 4 | 4 | 9 | 30 | 37 | −7 | 16 | |
| 17 | Sinaloa | 17 | 4 | 4 | 9 | 25 | 32 | −7 | 16 | |
| 18 | UAG | 17 | 4 | 4 | 9 | 17 | 29 | −12 | 16 | 
Results
Top goalscorers
Players sorted first by goals scored, then by last name. Only regular season goals listed.
| Rank | Player | Club | Goals | 
|---|---|---|---|
| 1 | Monterrey | 15 | |
| 2 | Toluca | 12 | |
| Atlas | |||
| 4 | Morelia | 11 | |
| Santos Laguna | |||
| 6 | Cruz Azul | 10 | |
| Atlante | |||
| 8 | UANL | 9 | |
| 9 | Sinaloa | 8 | |
| Chiapas | 
Source: MedioTiempo
Playoffs
Bracket
| Quarterfinals | Semifinals | Finals | ||||||||||||||||||
| 3 | Pachuca | 1 | 1 | 2 | ||||||||||||||||
| 6 | Monterrey | 2 | 1 | 3 | ||||||||||||||||
| 6 | Monterrey | 4 | 3 | 7 | ||||||||||||||||
| 7 | Atlante | 2 | 1 | 3 | ||||||||||||||||
| 2 | Toluca | 2 | 3 | 5 | ||||||||||||||||
| 7 | Atlante | 4 | 4 | 8 | ||||||||||||||||
| 6 | Monterrey | 1 | 0 | 1 | ||||||||||||||||
| 9 | UNAM | 2 | 1 | 3 | ||||||||||||||||
| 4 | Atlas | 1 | 3 | 4 | ||||||||||||||||
| 5 | Guadalajara | 0 | 3 | 3 | ||||||||||||||||
| 4 | Atlas | 3 | 1 | 4 | ||||||||||||||||
| 9 | UNAM | 4 | 2 | 6 | ||||||||||||||||
| 1 | Veracruz | 0 | 1 | 1 | ||||||||||||||||
| 9 | UNAM | 3 | 1 | 4 | ||||||||||||||||
Quarterfinals
| Monterrey | 2–1 | Pachuca | 
|---|---|---|
| Erviti  Franco  | 
Report | Chitiva  | 
Monterrey won 3–2 on aggregate.
| Atlante | 4–2 | Toluca | 
|---|---|---|
| Rey  González  | 
Report | Cardozo  Sánchez  | 
| Toluca | 3–4 | Atlante | 
|---|---|---|
| de la Torre  Dueñas Cardozo  | 
Report | Rey  Garay  | 
Atlante won 8–5 on aggregate.
| Guadalajara | 0–1 | Atlas | 
|---|---|---|
| Report | J. M. García  | 
| Atlas | 3–3 | Guadalajara | 
|---|---|---|
| Robert  J. P. García  | 
Report | Medina  Sabah  | 
Atlas won 4–3 on aggregate.
| UNAM | 3–0 | Veracruz | 
|---|---|---|
| Botero  Lozano  | 
Report | 
| Veracruz | 1–1 | UNAM | 
|---|---|---|
| Biscayzacú  | 
Report | Alonso  | 
UNAM won 4–1 on aggregate.
Semifinals
| Monterrey | 3–1 | Atlante | 
|---|---|---|
| Franco  Pérez Núñez  | 
Report | Lash  | 
Monterrey won 7–3 on aggregate.
| UNAM | 4–3 | Atlas | 
|---|---|---|
| Fonseca  Botero Alonso  | 
Report | J. P. García  Osorno Robert  | 
UNAM won 6–4 on aggregate.
Finals
UNAM won 3–1 on aggregate.
| Apertura 2004 winners | 
|---|
| UNAM 5th title  | 
External links
- Mediotiempo.com (where information was obtained)
 
