Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2003 |  | Mariano Monrroy | MF |  | Talleres de Córdoba | Talleres |
| 07/2002 |  | Marco Mendoza | MF |  | Club León | Club León |
| 07/2002 |  | Nasa | MF | |||
| 07/2002 | | Fernando Huerta | SP-C |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2003 | | Nasa | MF |  | Gallos Blancos (old) | Gallos Blancos (old) |
| 07/2002 | | Ricardo Cadena | DF |  | Gallos Blancos | Querétaro |
| 07/2002 | | Julio Estrada | DF | | Gallos Blancos (old) | Gallos Blancos (old) |
| 07/2002 | | Margarito González | DF | | Gallos Blancos (old) | Gallos Blancos (old) |
| 07/2002 | | Héctor López | DF |  | Santos Laguna | Santos Laguna |
| 07/2002 |  | Alexander Madrigal | DF |  | Atlético San Luis | San Luis |
| 07/2002 | | Omar Monjaraz | DF | | Gallos Blancos | Querétaro |
| 07/2002 | | Raúl Gordillo | MF |  | Banfield | Banfield |
| 07/2002 | | Joaquin Hernández | MF | | Gallos Blancos | Querétaro |
| 07/2002 | | Rafael Medina | MF |  | Deportivo Guadalajara | CD Guadalajara |
| 07/2002 | | Jaime Ordiales | MF |  | CF Pachuca | Pachuca |
| 07/2002 | | José Pérez | MF | | Atlético San Luis | San Luis |
| 07/2002 | | Óscar Rojas | MF |  | Chiapas FC | Chiapas |
| 07/2002 | | Almir | FW | | Gallos Blancos (old) | Gallos Blancos (old) |
| 07/2002 | | Claudinho | FW |  | Club Celaya | Celaya |
| 07/2002 | | Francisco Fonseca | FW |  | Pumas UNAM | Pumas UNAM |
| 07/2002 | | Manuel Martínez | FW | | Gallos Blancos (old) | Gallos Blancos (old) |