Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1980 |  | Óscar Wirth | GK |  | Colo-Colo | Colo-Colo |
| 01/1980 | | Enzo Escobar | DF |  | Unión Española | Unión Española |
| 01/1980 | | Juan Páez | DF |  | Lota Schwager | Lota Schwager |
| 01/1980 |  | Óscar Muñoz | MF | |||
| 01/1980 | | Héctor Puebla | MF | | Lota Schwager | Lota Schwager |
| 01/1980 | | Vicente Cantatore | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1980 |  | Ladislao Mazurkiewicz | GK |  | América de Cali | América |
| 01/1980 | | Eduardo Gómez | DF |  | San Marcos | San Marcos |
| 01/1980 | | Juan Núñez | FW |  | O'Higgins | O'Higgins |