Primera División de México Clausura 2003
Primera División de México ' Clausura 2003''' is a Mexican football tournament - one of two short tournaments that take up the entire year to determine the champion of Mexican football. It began on Saturday, January 11, 2003, and ran until May 17, when the regular season ended. Celaya's franchise was bought out by the owner of Aerolineas Internacionales, Jorge Rodriguez Marie, and it was moved to Cuernavaca. Thus, creating a team that was known as Los Colibries de Morelos. Monterrey defeated Morelia to win their second championship.
Overview
- The franchise that was known as Celaya was bought by Jorge Rodríguez Marié, who moved the team to Cuernavaca and changed its name to Colibríes de Cuernavaca. Such was the impact of his ownership that the team's nickname, Colibries, came from the logo of his airline, Aerolineas Internacionales, and the company's wordmark also appeared as a shirt sponsor.
| Team | City | Stadium | - |
| América | Mexico City | Azteca | - |
| Atlante | Ciudad Nezahualcóyotl, State of Mexico | Neza 86 | - |
| Atlas | Guadalajara, Jalisco | Jalisco | - |
| Chiapas | Tuxtla Gutiérrez, Chiapas | Víctor Manuel Reyna | - |
| Cruz Azul | Mexico City | Azul | - |
| Cuernavaca | Cuernavaca, Morelos | Mariano Matamoros | - |
| Guadalajara | Guadalajara, Jalisco | Jalisco | - |
| Morelia | Morelia, Michoacán | Morelos | - |
| Monterrey | Monterrey, Nuevo León | Tecnológico | - |
| Necaxa | Mexico City | Azteca | - |
| Pachuca | Pachuca, Hidalgo | Hidalgo | - |
| Puebla | Puebla, Puebla | Cuauhtémoc | - |
| Querétaro | Querétaro, Querétaro | Corregidora | - |
| San Luis | San Luis Potosí, S.L.P. | Alfonso Lastras | - |
| Santos Laguna | Torreón, Coahuila | Corona | - |
| Toluca | Toluca, State of Mexico | Nemesio Díez | - |
| UAG | Zapopan, Jalisco | Tres de Marzo | - |
| UANL | San Nicolás de los Garza, Nuevo León | Universitario | - |
| UNAM | Mexico City | Olímpico Universitario | - |
| Veracruz | Veracruz, Veracruz | Luis "Pirata" Fuente |
Final standings (groups)
League table
Results
Top goalscorers
Players sorted first by goals scored, then by last name. Only regular season goals listed.| Rank | Player | Club | Goals |
| 1 |  José Cardozo | Toluca | 21 |
| 2 |  Sebastián González | Atlante | 16 |
| 3 | Reinaldo Navia | Morelia | 13 |
| 4 |  Jared Borgetti | Santos Laguna | 11 |
| 5 | Omar Bravo | Guadalajara | 10 |
| 6 |  Luis Gabriel Rey | Atlante | 9 |
| 7 |  Sebastián Abreu | Cruz Azul | 8 |
| 7 | Juan Carlos Cacho | Cruz Azul | 8 |
| 7 |  José Alfredo Castillo | UAG | 8 |
| 7 |  Claudinho | Cuernavaca | 8 |
| 7 | Alex Fernandes | Monterrey | 8 |
| 7 |  Walter Gaitán | UANL | 8 |
| 7 | Vicente Sánchez | Toluca | 8 |
Source:
Playoffs
Repechage
5–5 on aggregate. Guadalajara advanced for being the higher seeded team.Bracket
Quarterfinals
Morelia won 5–3 on aggregate.----
Veracruz won 2–1 on aggregate.
----
Monterrey won 4–3 on aggregate.
----
UANL won 4–3 on aggregate.
Semifinals
Morelia won 2–1 on aggregate.----
Monterrey won 5–3 on aggregate.