Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2004 |  | Pedro Flores | DF | |||
| 01/2004 | | Gerardo Rodríguez | DF | |||
| 07/2003 | | Melitón Hernández | GK | |||
| 07/2003 | | Carlos Velázquez | GK | |||
| 07/2003 | | Braulio Godínez | DF | |||
| 07/2003 | | Joel Huiqui | DF | |||
| 07/2003 | | Gabriel Caballero | MF |  | Atlas Guadalajara | Atlas |
| 07/2003 |  | Andrés Chitiva | MF |  | Cruz Azul | Cruz Azul |
| 07/2003 | | Marinho Ledesma | MF | | Cruz Azul | Cruz Azul |
| 07/2003 | | Harold Lozano | MF |  | RCD Mallorca | Mallorca |
| 07/2003 | | Octavio Valdéz | MF |  | Deportivo Toluca | Toluca |
| 07/2003 |  | Gabriel Álvez | FW |  | Nacional | Nacional |
| 07/2003 | | Adolfo Bautista | FW |  | Atlético Morelia | Morelia |
| 07/2003 |  | Claudinho | FW |  | Atlético Cuernavaca | Cuernavaca |
| 07/2003 | | Víctor Vucetich | MA | |||
| 07/2003 | | Sergio Lugo | AS-CO |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2004 | | Marco Garcés | MF | | Cruz Azul | Cruz Azul |
| 01/2004 | | Adolfo Bautista | FW |  | Deportivo Guadalajara | CD Guadalajara |
| 01/2004 | | Michel | FW |  | Gama - DF | Gama |
| 07/2003 |  | Germán Rivarola | DF |  | Rosario Central | Rosario Central |
| 07/2003 |  | Juan Arango | MF |  | Puebla FC | Puebla |
| 07/2003 | | Luis Sosa | MF |  | Gallos Blancos (old) | Gallos Blancos (old) |
| 07/2003 | | Cesáreo Victorino | MF | | Cruz Azul | Cruz Azul |
| 07/2003 | | José Abundis | FW |  | Atlante | Atlante |
| 07/2003 | | Victor Müller | FW |  | Chacarita Juniors | Chacarita |
| 07/2003 |  | Milton Nuñez | FW |  | Club Necaxa | Necaxa |