Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1980 |  | Mario Osbén | GK |  | Unión Española | Unión Española |
| 01/1980 | | Luís Díaz | DF | |||
| 01/1980 | | Lizardo Garrido | DF |  | Colchagua | Colchagua |
| 01/1980 | | Hugo González | DF | |||
| 01/1980 | | Atilio Herrera | DF | |||
| 01/1980 | | Alfonso Neculñir | DF | |||
| 01/1980 | | Gabriel Rodríguez | DF | |||
| 01/1980 | | Alejandro Hisis | MF |  | Comunicaciones de Buenos Aires | Comunicaciones |
| 01/1980 | | Cristian Saavedra | MF | |||
| 01/1980 |  | Vasconcelos | MF | |||
| 01/1980 | | José Luis Álvarez | FW |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1980 | | Óscar Wirth | GK |  | Cobreloa | Cobreloa |
| 01/1980 |  | Ángel Brunell | DF |  | Rentistas | Rentistas |
| 01/1980 | | Julio Crisosto | FW |  | Naval | Deportes Naval |