Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1998 |  | Jorge Gómez | DF |  | Deportes Temuco | Deportes Temuco |
| 01/1998 | | Adán Vergara | DF | |||
| 01/1998 |  | Rodrigo Riep | MF |  | Avispa Fukuoka | Avispa |
| 01/1998 | | Rubén Vallejos | FW |  | Puerto Montt | Puerto Montt |
| 07/1997 | | Damián Yáñez | MF |  | Racing Club | Racing Club |
| 07/1997 | | César Díaz | FW |  | Palestino | Palestino |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1998 | | Pedro Jaque | DF |  | Deportes Concepción | Concepción |
| 01/1998 | | Fernando Cornejo | MF |  | Universidad Católica | U. Católica |
| 01/1998 | | César Muena | MF |  | Deportes Iquique | Deportes Iquique |
| 07/1997 |  | Pablo Trobbiani | MF |  | Málaga CF | Málaga |