| Name | Age | Position | Nationality |
|---|---|---|---|
| Timo Horn | 31 | Goalkeeper | Germany |
| Patrick Drewes | 32 | Goalkeeper | Germany |
| Paul Grave | 24 | Goalkeeper | Germany |
| Gerrit Holtmann | 30 | Midfield | Philippines |
| Dani de Wit | 27 | Midfield | Netherlands |
| Koji Miyoshi | 28 | Midfield | Japan |
| Niklas Jahn | 20 | Midfield | Germany |
| Georgios Masouras | 31 | Midfield | Greece |
| Lennart Koerdt | 20 | Midfield | Germany |
| Mats Pannewig | 20 | Central Midfield | Germany |
| Samuel Bamba | 21 | Right Winger | Germany |
| Tim Oermann | 21 | Centre-Back | Germany |
| Mohammed Tolba | 20 | Centre-Back | Germany |
| Tom Krauß | 23 | Central Midfield | Germany |
| Jakov Medić | 26 | Centre-Back | Croatia |
| Matúš Bero | 29 | Central Midfield | Slovakia |
| Ivan Ordets | 32 | Centre-Back | Ukraine |
| Anthony Losilla | 39 | Defensive Midfield | France |
| Maximilian Wittek | 29 | Left-Back | Germany |
| Bernardo | 29 | Left-Back | Brazil |
| Erhan Mašović | 26 | Centre-Back | Serbia |
| Myron Boadu | 24 | Centre-Forward | Netherlands |
| Philipp Hofmann | 32 | Centre-Forward | Germany |
| Moritz Broschinski | 24 | Centre-Forward | Germany |
| Cristian Gamboa | 35 | Right-Back | Costa Rica |
| Ibrahima Sissoko | 27 | Defensive Midfield | Mali |
| Felix Passlack | 26 | Right-Back | Germany |