Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1991 |  | Luis Abarca | DF |  | Universidad Católica | U. Católica |
| 01/1991 |  | Pedro Retamar | MF | |||
| 01/1991 | | Luis Guarda | FW |  | Everton | Everton |
| 07/1990 | | Adrián Czornomaz | FW |  | Independiente | Independiente |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1991 | | Eduardo Gómez | DF |  | Universidad de Chile | Uni. de Chile |
| 01/1991 | | Jorge Muñoz | FW |  | Santiago Wanderers | Wanderers |