Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2003 |  | David Henríquez | DF |  | SC Beira-Mar | SC Beira-Mar |
| 07/2003 | | Mauricio Donoso | MF |  | Universidad de Chile | Uni. de Chile |
| 07/2003 |  | Leandro Grech | MF |  | Newell's Old Boys | Newell's OB |
| 07/2003 |  | Silvio Fernandez | FW |  | Gallos Blancos | Querétaro |
| 01/2003 | | Eduardo Lobos | GK |  | Huachipato | Huachipato |
| 01/2003 |  | Jonny Walker | GK |  | Universidad Católica | U. Católica |
| 01/2003 | | Cristián Gómez | DF |  | Cobreloa | Cobreloa |
| 01/2003 | | Leo Ramos | DF |  | Estudiantes | Estudiantes |
| 01/2003 | | Fernando Meneses | MF | |||
| 01/2003 | | Miguel Romero | MF |  | Unión San Felipe | San Felipe |
| 01/2003 | | Moisés Villarroel | MF |  | Santiago Wanderers | Wanderers |
| 01/2003 | | Marco Villaseca | MF |  | Unión Española | Unión Española |
| 01/2003 | | Luis Díaz | FW |  | Rangers | Rangers |
| 01/2003 | | Iván Zamorano | FW |  | CF América | CF América |
| 01/2003 | | Jaime Pizarro | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2003 | | Jonny Walker | GK |  | New York RB | New York RB |
| 07/2003 | | Leo Ramos | DF |  | Nueva Chicago | Nueva Ch. |
| 07/2003 | | Raúl Muñoz | MF |  | Chiapas FC | Chiapas |
| 07/2003 | | Miguel Romero | MF | | Rangers | Rangers |
| 07/2003 | | Mario Cáceres | FW |  | Universidad de Concepción | Universidad de Concepción |
| 07/2003 | | Ignacio Quinteros | FW |  | Puebla FC | Puebla |
| 01/2003 | | Francisco Huaiquipán | MF |  | CD Magallanes | CD Magallanes |
| 01/2003 | | Vicente Principiano | MF |  | Racing Club | Racing Club |
| 01/2003 | | Alonzo Zúñiga | MF |  | Puerto Montt | Puerto Montt |
| 01/2003 | | Ricardo Queraltó | FW |  | Santiago Morning | Morning |
| 01/2003 | | Nicolas Tagliani | FW |  | Alianza Lima | Alianza |