| Position | Name | Age | Birthday | Nationality |
|---|---|---|---|---|
| Midfielder | Abu-Bekir Ömer El-Zein | 21 | 2003-02-18 | Germany |
| Attacker | Ahmed Kutucu | 24 | 2000-03-01 | Turkey |
| Defender | Aleksandr Zhirov | 33 | 1991-01-24 | Russian Federation |
| Midfielder | Alexander Esswein | 34 | 1990-03-25 | Germany |
| Defender | Arne Sicker | 27 | 1997-04-17 | Germany |
| Midfielder | Bashkim Ajdini | 31 | 1992-12-10 | Germany |
| Goalkeeper | Benedikt Grawe | 24 | 2000-02-21 | Germany |
| Midfielder | Cebio Soukou | 31 | 1992-10-02 | Benin |
| Defender | Chima Okoroji | 27 | 1997-04-19 | Germany |
| Attacker | Christian Kinsombi | 24 | 1999-08-24 | Germany |
| Defender | Dario Dumić | 32 | 1992-01-30 | Bosnia and Herzegovina |
| Midfielder | David Kinsombi | 28 | 1995-12-12 | Germany |
| Defender | Dennis Diekmeier | 34 | 1989-10-20 | Germany |
| Midfielder | Erik Zenga | 31 | 1993-01-18 | Germany |
| Goalkeeper | Felix Wiedwald | 34 | 1990-03-15 | Germany |
| Attacker | Franck Evina | 23 | 2000-07-05 | Cameroon |
| Attacker | Hamadi Al Ghaddioui | 33 | 1990-09-22 | Morocco |
| Defender | Immanuel Höhn | 32 | 1991-12-23 | Germany |
| Midfielder | Janik Bachmann | 27 | 1996-05-06 | Germany |
| Attacker | Joseph Gande | 27 | 1997-03-10 | Israel |
| Attacker | Kemal Ademi | 28 | 1996-01-23 | Switzerland |
| Midfielder | Kerim Çalhanoğlu | 21 | 2002-08-26 | Germany |
| Midfielder | Marcel Ritzmaier | 31 | 1993-04-22 | Austria |
| Midfielder | Marcel Mehlem | 29 | 1995-03-01 | Germany |
| Midfielder | Matondo-Merveille Papela | 23 | 2001-01-18 | Germany |
| Attacker | Matěj Pulkrab | 26 | 1997-05-23 | - |
| Goalkeeper | Nikolai Rehnen | 27 | 1997-02-04 | Germany |
| Defender | Oumar Diakhité | 30 | 1993-12-09 | Senegal |
| Goalkeeper | Patrick Drewes | 31 | 1993-02-04 | Germany |
| Midfielder | Philipp Ochs | 27 | 1997-04-17 | Germany |
| Defender | Raphael Framberger | 28 | 1995-09-06 | Germany |
| Goalkeeper | Rick Wulle | 29 | 1994-06-04 | Germany |
| Defender | Tim Kister | 37 | 1986-12-30 | Germany |
| Goalkeeper | Timo Königsmann | 27 | 1997-04-05 | Germany |
| Midfielder | Tom Trybull | 31 | 1993-03-09 | Germany |
| Defender | Vincent Schwab | 20 | 2003-12-10 | Germany |