Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2026 |  | Assad Kotya-Fofana | DF |  | 1. FC Köln II | Köln II |
| 09/2026 |  | Borna Sosa | DF |  | Crystal Palace | Cr. Palace |
| 08/2026 |  | Mikey Moore | FW |  | Tottenham Hotspur | Tottenham |
| 08/2026 | | Jonathan Friemel | DF | | 1. FC Köln II | Köln II |
| 08/2026 |  | Ellyes Skhiri | MF |  | Eintracht Frankfurt | E. Frankfurt |
| 08/2026 |  | Thijs Dallinga | FW |  | Bologna FC | Bologna |
| 08/2026 |  | Gil Neves | MF |  | SL Benfica B | Benfica B |
| 07/2026 |  | Martin James | GK |  | Paris Saint-Germain U21 | Paris SG U21 |
| 07/2026 | | Nils Segelken | GK-CO | |||
| 07/2026 |  | Paul Okon-Engstler | MF |  | Sydney FC | Sydney FC |
| 07/2026 | | Reigan Heskey | FW |  | Manchester City | Man City |
| 07/2026 |  | Gideon Mensah | DF |  | AJ Auxerre | Auxerre |
| 07/2026 |  | Luka Lochoshvili | DF |  | 1. FC Nuremberg | Nuremberg |
| 07/2026 | | Elias Bakatukanda | DF |  | FC Blau Weiß Linz | Blau Weiß Linz |
| 07/2026 |  | Rasmus Carstensen | DF |  | Aarhus GF | Aarhus GF |
| 07/2026 |  | Jusuf Gazibegović | DF |  | Sturm Graz | Sturm Graz |
| 07/2026 | | Julian Pauli | DF |  | Dynamo Dresden | Dresden |
| 07/2026 | | Imad Rondić | FW |  | Preußen Münster | Pr. Münster |
| 07/2026 | | Denis Huckestein | AS-CO | |||
| 07/2026 |  | Kevin McKenna | AS-CO | |||
| 07/2026 |  | Evangelos Sbonias | AS-CO | | 1. FC Köln II | Köln II |
| 07/2026 | | Sven Herrmann | G-AN | | 1. FC Köln II | Köln II |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 09/2026 | | Julian Pauli | DF |  | Odense BK | Odense |
| 09/2026 | | Elias Bakatukanda | DF |  | VfL Osnabrück | Osnabrück |
| 08/2026 | | Youssoupha Niang | FW |  | FC St. Pauli | St. Pauli |
| 07/2026 | | Fynn Schenten | FW |  | Roda JC Kerkrade | Roda JC |
| 07/2026 | | Jusuf Gazibegović | DF |  | Widzew Łódź | Widzew Łódź |
| 07/2026 | | Rasmus Carstensen | DF | | Aarhus GF | Aarhus GF |
| 07/2026 |  | Jakub Kamiński | FW |  | SL Benfica | Benfica |
| 07/2026 | | Dominique Heintz | DF |  | Fortuna Düsseldorf | Düsseldorf |
| 07/2026 |  | Kristoffer Lund | DF |  | Palermo FC | Palermo |
| 07/2026 |  | Cenk Özkaçar | DF |  | Valencia CF | Valencia |
| 07/2026 |  | Felipe Chávez | MF |  | Bayern München II | Bayern II |
| 07/2026 | | Denis Huseinbašić | MF |  | S.C. Braga | S.C. Braga |
| 07/2026 | | Eric Martel | MF |  | 1. FSV Mainz 05 | Mainz 05 |