Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/1998 |  | José Espinoza | MF | |||
| 07/1998 |  | Óscar Ferro | GK |  | Ferro Carril Oeste | Ferro CO |
| 04/1998 |  | Luis García | MA | |||
| 03/1998 | | Pablo Zegarra | MF |  | UD Salamanca | Salamanca |
| 03/1998 | | Franco Navarro | MA | |||
| 01/1998 | | Ismael Alvarado | DF | |||
| 01/1998 |  | Javier Ferreira | MF | |||
| 01/1998 | | Renzo Sheput | MF | |||
| 01/1998 | | Gustavo Tempone | MF | |||
| 01/1998 | | Carlos Torres | MF |  | Alianza Atlético | Alianza Atlétic |
| 01/1998 |  | Nilson | FW |  | Athletico Paranaense | Athletico - PR |
| 01/1998 | | Gustavo Vasallo | FW | |||
| 01/1998 |  | Miguel Arrué | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 08/1998 | | José Espinoza | MF |  | Dundee United | Dundee Utd |
| 07/1998 | | Alex Magallanes | MF |  | Deportes Temuco | Deportes Temuco |
| 07/1998 | | Julio Rivera | MF |  | Universitario de Deportes | Universitario |
| 07/1998 | | Carlos Torres | MF |  | Juan Aurich | Juan Aurich |
| 07/1998 | | Pablo Zegarra | MF | | UD Salamanca | Salamanca |
| 07/1998 |  | Joseph Aziz | FW |  | Stuttgarter Kickers | Kickers |
| 07/1998 |  | Luis Bonnet | FW |  | Gimnasia y Tiro de Salta | GyT Salta |