Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 05/1999 |  | Ziya Doğan | MA | |||
| 01/1999 | | Oğuz Çetin | MF |  | İstanbulspor AŞ | İstanbulspor AŞ |
| 12/1998 | | Cenk Isler | FW |  | Samsunspor | Samsunspor |
| 12/1998 | | Engin Özdemir | MF | | İstanbulspor AŞ | İstanbulspor AŞ |
| 12/1998 |  | Rosen Kirilov | DF |  | PFC Litex Lovech | Litex |
| 11/1998 | | Bülent Sevlü | FW |  | Antalyaspor | Antalyaspor |
| 10/1998 | | Atakan Sancarbarlaz | FW | | İstanbulspor AŞ | İstanbulspor AŞ |
| 09/1998 | | Fuat Nihat Buruk | MF | | İstanbulspor AŞ | İstanbulspor AŞ |
| 07/1998 | | Hasan Okan Gültang | GK | |||
| 07/1998 | | Atilla Küçüktaka | GK | |||
| 07/1998 | | Serkan Bekiroğlu | DF | |||
| 07/1998 |  | Ekrem Bradarić | DF |  | Čelik Zenica | NK Čelik |
| 07/1998 | | Ali Güncar | DF | | Samsunspor | Samsunspor |
| 07/1998 | | Suad Katana | DF |  | RSC Anderlecht | Anderlecht |
| 07/1998 |  | Uche Agbo | MF |  | Montpellier HSC | Montpellier |
| 07/1998 | | Korhan Ataaşık | MF | |||
| 07/1998 | | Enes Demirovič | MF |  | Hajduk Split | Hajduk |
| 07/1998 | | Emrah Eren | MF | |||
| 07/1998 | | Ibrahim Köseoglu | MF |  | Dardanelspor | Dardanelspor |
| 07/1998 | | Zlatko Yankov | MF |  | Beşiktaş | Beşiktaş |
| 07/1998 | | Altan Aksoy | FW | |||
| 07/1998 | | Cafer Aydin | FW |  | Bursaspor | Bursaspor |
| 07/1998 | | Ali Asim Balkaya | FW |  | Zeytinburnuspor | Zeytinburnuspor |
| 07/1998 | | Mesut Üretir | FW | |||
| 07/1998 |  | Gheorghe Mulţescu | MA |  | Erciyesspor | Erciyesspor |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/1999 | | Ender Traş | MF |  | Adana Demirspor | Adana Demirspor |
| 01/1999 | | Enes Demirovič | MF | | İstanbulspor AŞ | İstanbulspor AŞ |
| 01/1999 | | Ibrahim Köseoglu | MF |  | Kayserispor | Kayserispor |
| 01/1999 | | Zlatko Yankov | MF |  | Neftochimik Burgas | FK Neftochimik |
| 01/1999 | | Fuad Muzurović | MA |  | Al Arabi | Al Arabi |
| 08/1998 | | Cafer Aydin | FW |  | Çaykur Rizespor | Rizespor |
| 07/1998 | | Amir Alibaz | DF | | İstanbulspor AŞ | İstanbulspor AŞ |
| 07/1998 | | Hayati Şen | MF |  | Karabükspor | Karabükspor |