Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 |  | Isidoros Koutsidis | DF |  | Olympiacos FC | Olympiacos FC |
| 07/2026 |  | Junior Zé | FW |  | FC Basel 1893 | FC Basel |
| 07/2026 |  | Nick Bodon | GK |  | FC Schalke 04 U19 | Schalke U19 |
| 07/2026 | | Justin Duda | GK |  | SG Barockstadt Fulda-Lehnerz | SG Barockstadt |
| 07/2026 | | Benjamin Uphoff | GK |  | Hansa Rostock | Rostock |
| 07/2026 | | Sanoussy Ba | DF |  | Waldhof Mannheim | Waldhof Mannh. |
| 07/2026 | | Noah Katterbach | DF |  | Hamburger SV | Hamburg |
| 07/2026 |  | Damjan Kovacevic | DF |  | TSV Hartberg | TSV Hartberg |
| 07/2026 | | Tristan Wagner | DF |  | Greifswalder FC | Greifswald |
| 07/2026 | | Jona Borsum | MF |  | Kickers Offenbach | Offenbach |
| 07/2026 | | Samuele Di Benedetto | MF |  | VfB Stuttgart II | VfB II |
| 07/2026 | | Maximilian Entrup | FW |  | LASK | LASK |
| 07/2026 | | Yann Sturm | FW |  | FC Ingolstadt 04 | Ingolstadt |
| 07/2026 | | Jan Urbich | FW |  | Bor. Mönchengladbach | M'gladbach |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 01/2027 |  | Jovan Mijatović | FW |  | New York City FC | NY City FC |
| 09/2026 |  | Johan Gómez | MF |  | Chicago Fire | Chicago Fire |
| 09/2026 | | Louis Breunig | DF |  | Würzburger Kickers | Würzburg |
| 08/2026 |  | Elhan Kastrati | GK |  | GS Kallithea | Kallithea |
| 07/2026 | | Jona Borsum | MF |  | SV Meppen | SV Meppen |
| 07/2026 | | Justin Duda | GK |  | 1. FC Lok Leipzig | Lok Leipzig |
| 07/2026 | | Fabio Kaufmann | MF |  | BG Pathum United | BG Pathum Utd |
| 07/2026 |  | Salomon Nkoa | DF |  | RAAL La Louvière | La Louvière |
| 07/2026 | | Leon Herdes | GK |  | Eintracht Braunschweig U21 | U21 |
| 07/2026 | | Marko Rajkovačić | GK | | Würzburger Kickers | Würzburg |
| 07/2026 |  | Hugo Afonso | MF |  | Eintracht Braunschweig II | BTSV II |
| 07/2026 | | Faride Alidou | FW |  | 1. FC Kaiserslautern | K'lautern |
| 07/2026 | | Ken Izekor | FW |  | Bayer Leverkusen II | Leverkusen II |
| 07/2026 |  | Grant-Leon Ranos | FW | | Bor. Mönchengladbach | M'gladbach |
| 07/2026 |  | Erencan Yardımcı | FW | | 1. FC Kaiserslautern | K'lautern |