| Position | Name | Age | Birthday | Nationality |
|---|---|---|---|---|
| Attacker | Addy-Waku Menga | 41 | 1983-09-28 | Democratic Republic of the Congo |
| Defender | Agelos Argyris | 30 | 1994-05-06 | Greece |
| Midfielder | Alessio Arambasic | 22 | 2002-03-08 | Germany |
| Defender | Alexander Nandzik | 32 | 1992-09-12 | Germany |
| Midfielder | Alexander Schmitt | 29 | 1995-09-16 | Germany |
| Attacker | Alexander Schlobohm | 32 | 1992-08-12 | Germany |
| Goalkeeper | Andrii Babych | 20 | 2004-07-09 | Ukraine |
| Attacker | Bocar Djumo | 30 | 1994-08-21 | Portugal |
| Defender | Daniel Haritonov | 24 | 2000-04-14 | Germany |
| Midfielder | Denis Vukančić | 22 | 2002-02-16 | Germany |
| Attacker | Ebrima Jobe | 27 | 1997-02-06 | Gambia |
| Midfielder | Emeraude Betani-Baku | 21 | 2003-06-01 | Germany |
| Goalkeeper | Flemming Niemann | 28 | 1996-08-07 | Germany |
| Defender | Georgios Tsapakidis | 20 | 2003-12-21 | Greece |
| Midfielder | Ismet Osmani | 23 | 2000-12-21 | Switzerland |
| Defender | Jan Roschlaub | 23 | 2000-12-11 | Germany |
| Midfielder | Josip Tomic | 31 | 1993-07-16 | Bosnia and Herzegovina |
| Defender | Julijan Popović | 25 | 1999-06-15 | Serbia |
| Midfielder | Karam Han | 26 | 1998-02-09 | South Korea |
| Defender | Kerem Sahan | 28 | 1996-04-23 | Germany |
| Attacker | Kevin Jessie Coleman | 26 | 1998-03-01 | United States |
| Defender | Kyrylo Kozin | - | - | Germany |
| Attacker | Leonardo Cristescu | 20 | 2003-12-05 | Germany |
| Midfielder | Lovro Šindik | 32 | 1992-01-12 | Croatia |
| Goalkeeper | Maciej Czyżniewski | 39 | 1985-08-04 | Poland |
| Attacker | Malik Memišević | 23 | 2001-05-20 | Bosnia and Herzegovina |
| Defender | Marco Kaffenberger | 28 | 1996-07-09 | Germany |
| Goalkeeper | Max-Niklas Milde | - | - | Germany |
| Defender | Moody Chana | 25 | 1999-01-07 | Germany |
| Attacker | Moussa Alawieh | 31 | 1992-11-29 | Lebanon |
| Defender | Mustafa Fatiras | 25 | 1999-06-12 | Turkey |
| Midfielder | Nick Kaperkon | 19 | 2005-01-04 | Germany |
| Midfielder | Niklas Kiene | 33 | 1991-09-18 | Germany |
| Goalkeeper | Ole Bahr | 22 | 2001-12-08 | Germany |
| Defender | Pierre Becken | 37 | 1987-09-28 | Germany |
| Attacker | Serhat Zübeyr Koruk | 28 | 1996-05-04 | Germany |
| Defender | Serkan Temin | 23 | 2001-03-05 | Germany |
| Attacker | Shamsu Mansaray | 25 | 1999-03-17 | Germany |
| Midfielder | Tony Lesueur | 24 | 2000-08-19 | France |
| Goalkeeper | Yannick Olschewski | 20 | 2004-01-16 | Germany |