Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2003 |  | Lisandro Sacripanti | FW |  | Newell's Old Boys | Newell's OB |
| 01/2003 |  | Nelson Tapia | GK |  | Unión Española | Unión Española |
| 01/2003 | | Carlos Tejas | GK |  | Coquimbo Unido | Coquimbo Unido |
| 01/2003 | | Sergio Navea | DF | |||
| 01/2003 |  | Darío Verón | DF |  | 12 de Octubre de Itauguá | 12 de Octubre |
| 01/2003 | | Jonathan Cisternas | MF |  | Deportes Concepción | Concepción |
| 01/2003 | | Jaime González | MF |  | Universidad Católica | U. Católica |
| 01/2003 | | Juan González | MF | | Coquimbo Unido | Coquimbo Unido |
| 01/2003 | | Fernando Martel | MF |  | Santiago Wanderers | Wanderers |
| 01/2003 | | Cristián Morán | MF | |||
| 01/2003 | | Christian Morales | FW |  | Atlético San Luis | San Luis |
| 01/2003 | | Eduardo Fournier | MA | |||
| 01/2003 |  | Luis Garisto | MA |  | Banfield | Banfield |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2003 | | Darío Verón | DF |  | Pumas UNAM | Pumas UNAM |
| 07/2003 | | Fernando Martel | MF |  | Gallos Blancos | Querétaro |
| 07/2003 | | Rodrigo Meléndez | MF |  | Quilmes | Quilmes |
| 07/2003 | | Juan Madrid | FW |  | Deportes Temuco | Deportes Temuco |
| 07/2003 | | Christian Morales | FW |  | Coyotes de Tlaxcala | Tlaxcala |
| 01/2003 | | Claudio Mele | GK | | Deportes Concepción | Concepción |
| 01/2003 | | Alex Whiteley | GK |  | Palestino | Palestino |
| 01/2003 | | Marco Bautista | DF |  | Rangers | Rangers |
| 01/2003 | | Cristián Gómez | DF |  | Colo-Colo | Colo-Colo |
| 01/2003 | | Mauricio Pozo | DF | | Rangers | Rangers |
| 01/2003 | | Pablo Abdala | MF |  | Universidad de Concepción | Universidad de Concepción |
| 01/2003 | | Rafael Celedón | MF | | Coquimbo Unido | Coquimbo Unido |
| 01/2003 | | Rodrigo Corrales | MF | | Coquimbo Unido | Coquimbo Unido |
| 01/2003 | | Osvaldo Canobbio | FW |  | Yunnan Hongta | Yunnan Hongta |
| 01/2003 | | Pascual De Gregorio | FW | | Rangers | Rangers |