Arrivals
| Last name, First name | Age | Nationality | Position | Left |
|---|---|---|---|---|
| Dost, Bas | 30 | Netherlands | Striker | Sporting CP |
| Durm, Erik | 27 | Germany | Defender | Huddersfield Town |
| Hinteregger, Martin | 26 | Austria | Defender | FC Augsburg |
| Joveljic, Dejan | 19 | Serbia | Striker | Red Star Belgrade |
| Kohr, Dominik | 25 | Germany | Mitfielder | Bayer 04 Leverkusen |
| Rode, Sebastian | 28 | Germany | Midfielder | Borussia Dortmund |
| Sow, Djibril | 22 | Switzerland | Midfielder | Young Boys Bern |
| Trapp, Kevin | 28 | Germany | Goalkeeper | Paris St. Germain |
Departures
| Last name, First name | Age | Nationality | Position | Joined |
|---|---|---|---|---|
| Barkok, Aymen | 20 | Germany | Midfielder | Fortuna Düsseldorf (Loan) |
| Besuschkow, Max | 21 | Germany | Midfielder | Jahn Regensburg |
| Blum, Danny | 27 | Germany | Midfielder | VFL Bochum |
| Häuser, Mischa | 19 | Germany | Defender | FSV Frankfurt |
| Haller, Sebastien | 25 | France | Striker | West Ham United |
| Hrgota, Branimir | 26 | Sweden | Striker | SpVgg Greuther Fürth |
| Jovic, Luca | 21 | Serbia | Striker | Real Madrid |
| Knothe, Noel | 20 | Germany | Defender | 1. FC Nürnberg II |
| Ordonez, Andersson | 25 | Ecuador | Defender | LDU de Quito |
| Silva Melo, Lucas | 20 | Brasil | Defender | KV Kortrijk (Loan) |
| Souza, Allan | 22 | Brasil | Midfielder | Fluminense Rio de Janeiro |
| Stirl, Tobias | 19 | Germany | Goalkeeper | VfL Wolfsburg II |
| Tawatha, Taleb | 27 | Israel | Defender | unknown |
| Willems, Jetro | 25 | Netherlands | Defender | Newcastle United |
| Zalazar, Rodrigo | 19 | Uruguay | Midfielder | Korona Kielce |