| Player | Position | Value |
|---|---|---|
| Jonas Köhler | AML | 7.0K |
| Peter Schröder | AML | 40.0K |
| Player | From | Fee | Date |
|---|---|---|---|
| Winter Marc | Free Agent | Free | 23.08.2028 |
| Becker Christian | Free Agent | Free | 23.08.2028 |
| Möller Peter | Free Agent | Free | 23.08.2028 |
| Böhm Karl | Free Agent | Free | 23.08.2028 |
| Zimmermann Martin | Free Agent | Free | 23.08.2028 |
| McKennie Weston | Avellino | 40.7M | 25.08.2028 |
| Dahmen Finn | FC Augsburg | 10.6M | 26.08.2028 |
| Ache Ragnar | Eintracht Frankfurt | 3.9M | 07.01.2029 |
| Raimund Luca | Fortuna Düsseldorf | 5.1M | 07.01.2029 |
| Cantero Alejandro | Free Agent | Free | 16.01.2029 |
| Sanches Alvyn | Young Boys | 59.7M | 17.01.2029 |
| Maddison James | Köln | 20.2M | 19.01.2029 |
| Felida Kevin | Free Agent | Free | 11.04.2029 |
| Kersten Sam | Free Agent | Free | 15.04.2029 |
| Player | To | Fee | Date |
|---|---|---|---|
| Walde Simon | Free Agent | Free | 01.09.2028 |
| Bredlow Fabian | Free Agent | Free | 01.09.2028 |
| Zagadou Dan-Axel | Free Agent | Free | 01.09.2028 |
| Ludwig Helmut | Free Agent | Free | 01.09.2028 |
| Smit Kees | Bayern Munich | 24.5M | 09.01.2029 |
| Díaz Luis | Borussia Dortmund | 22.6M | 11.01.2029 |
| Player | From | Date | End Date |
|---|---|---|---|
| Kosugi Keita | Eintracht Frankfurt | 11.01.2029 | 07.11.2029 |
| Maboulou Noah | Nürnberg | 27.01.2029 | 23.11.2029 |
| Player | To | Date | End Date |
|---|---|---|---|
| Ćatović Mirza | Union Berlin | 07.01.2029 | 03.11.2029 |
| Claude-Maurice Alexis | Köln | 15.01.2029 | 11.11.2029 |
| Müller Marius | Köln | 28.01.2029 | 24.11.2029 |
| Ulrich Laurin | Fortuna Düsseldorf | 31.01.2029 | 27.11.2029 |