| Player | From | Fee | Date |
|---|---|---|---|
| Rémy Benoît | Tours | 6.5M | 10.08.2026 |
| Vázquez Lucas | Bayer Leverkusen | 3.0M | 24.08.2026 |
| Player | From | Date | End Date |
|---|---|---|---|
| Michael Gregoritsch | Brondby | 30.06.2027 | |
| Ismaël Gharbi | SC Braga | 30.06.2027 | |
| Rodrigo Ribeiro | 30.06.2027 | ||
| Arthur Chaves | TSG Hoffenheim | 30.06.2027 | |
| Yannik Keitel | VfB Stuttgart | 30.06.2027 | |
| Tim Oermann | Bayer Leverkusen | 12.08.2026 | 17.05.2027 |
| Player | To | Date | End Date |
|---|---|---|---|
| David Čolina | NK Osijek | 30.06.2027 | |
| Mert Kömür | VfL Wolfsburg | 27.08.2026 | 17.05.2027 |
| Anton Kade | VfL Wolfsburg | 27.08.2026 | 17.05.2027 |
| Yusuf Kabadayı | Gaziantep FK | 30.06.2027 | |
| Steve Mounié | Alanyaspor | 30.06.2027 |