Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/1998 |  | Reto Felder | GK | |||
| 07/1998 | | Oliver Stöckli | GK |  | FC Basel 1893 | FC Basel |
| 07/1998 | | Stephan Balmer | DF |  | FC Winterthur | FC Winterthur |
| 07/1998 | | Thomas Balmer | DF | | FC Winterthur | FC Winterthur |
| 07/1998 | | Daniel Lanz | DF |  | FC Solothurn | Solothurn |
| 07/1998 |  | Rui Marques | DF | |||
| 07/1998 | | Marc Fiechter | MF |  | FC St. Gallen | St.Gallen |
| 07/1998 |  | Robert Staniszewski | MF | |||
| 07/1998 | | Rainer Bieli | FW |  | Grasshopper Club Zürich | Grasshoppers |
| 07/1998 |  | Mladen Petrić | FW | |||
| 07/1998 | | Martin Andermatt | MA | | FC Winterthur | FC Winterthur |
| 07/1998 | | Hanspeter Latour | MA |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 03/1999 | | Martin Andermatt | MA |  | SSV Ulm 1846 | SSV Ulm |
| 03/1999 | | Rainer Bieli | FW |  | Neuchâtel Xamax FCS | Xamax |
| 07/1998 | | Patrick Bettoni | GK |  | L.R. Vicenza | L.R. Vicenza |
| 07/1998 | | Oliver Bossi | DF |  | FC Vaduz | FC Vaduz |
| 07/1998 | | Urs Schönenberger | DF |  | FC Zürich | FC Zürich |
| 07/1998 |  | Mario Casamento | MF |  | BSC Young Boys | Young Boys |
| 07/1998 | | Stefano di Pasqua | MF |  | FC Locarno | FC Locarno |
| 07/1998 |  | Martin Guzik | MF |  | FC Schaffhausen | FC Schaffhausen |
| 07/1998 | | José-Andrés Lorenzo Someso | MF | | FC Solothurn | Solothurn |
| 07/1998 |  | Gabriel Okolosi | MF |  | Espérance de Tunis | Espérance |
| 07/1998 |  | Petar Aleksandrov | FW |  | FC Aarau | FC Aarau |
| 07/1998 |  | Ronald Hoop | FW | | FC Schaffhausen | FC Schaffhausen |
| 07/1998 | | Claude Ryf | MA | | BSC Young Boys | Young Boys |