| Tim Albutat | |
| Zaid Amoussou-Tchibara | |
| Christopher Antwi-Adjei | |
| Mehmet Aydın | |
| Mertcan Ayhan | |
| Pape Meissa Ba | |
| Janik Bachmann | |
| Aymen Barkok | |
| Aris Bayindir | |
| Vitalie Becker | |
| Taylan Bulut | |
| Ibrahima Cissé | |
| Anton Donkor | |
| Adrian Gantenbein | |
| Max Grüger | |
| Ilyes Hamache | |
| Justin Heekeren | |
| Ron-Thorben Hoffmann | |
| Emil Højlund | |
| Seok-ju Hong | |
| Tomáš Kalas | |
| Marcin Kamiński | |
| Kenan Karaman | |
| Loris Karius | |
| Michael Langer | |
| Bryan Lasme | |
| Mauro Zalazar Martínez | |
| Henning Matriciani | |
| Tobias Mohr | |
| Derry Murkin | |
| Steve Noode | |
| Luca Podlech | |
| Sebastian Polter | |
| Peter Remmert | |
| Felipe Sánchez | |
| Ron Schallenberg | |
| Tim Schmidt | |
| Paul Seguin | |
| Moussa Sylla | |
| Malik Talabidi | |
| Lino Tempelmann | |
| Tidiane Toure | |
| Martin Wasinski | |
| Amin Younes | |
| Faaris Yusufu | |