K. Okpala
SC Paderborn 07Loan—31 Aug 2026
P. Čović
Werder BremenLoan—31 Aug 2026
K. OkpalaSC Paderborn 07Loan—31 Aug 2026
B. Bobzien
FSV Mainz 05Transfer—15 Jul 2026
T. Neininger
VfL WolfsburgLoan—13 Jul 2026
T. Keller
1. FC HeidenheimTransfer—9 Jul 2026- K. Inanoglu
Eintracht FrankfurtTransfer—30 Jun 2026 
Ahmet Muhamedbegović
Olimpija LjubljanaFree agent—30 Jun 2026
R. Wagner
SC FreiburgTransfer—30 Jun 2026- B. BobzienFSV Mainz 05Loan—22 Jan 2026
- R. WagnerSC FreiburgLoan—1 Jan 2026
- T. Keller1. FC HeidenheimLoan—1 Jan 2026
J. Çeka
SV ElversbergLoan—31 Dec 2025
Julian Andreas Pauli
1. FC KölnLoan—29 Aug 2025- L. HerrmannSC Paderborn 07Transfer—23 Jul 2025
Kofi Jeremy Amoako
Hamburger SVTransfer€1.80m30 Jun 2026
K. Faber
FC ST. GallenReturn from loan—29 Jun 2026- B. BobzienFSV Mainz 05Return from loan—29 Jun 2026
- R. WagnerSC FreiburgReturn from loan—29 Jun 2026
- T. Keller1. FC HeidenheimReturn from loan—29 Jun 2026
- J. ÇekaSV ElversbergReturn from loan—29 Jun 2026
- Julian Andreas Pauli1. FC KölnReturn from loan—29 Jun 2026
Dmytro Bohdanov
Union BerlinTransfer—12 Aug 2025
J. Sterner
Holstein Kiel——1 Jul 2025
M. BaurSC Paderborn 07Back from Loan—1 Jul 2025- J. SternerHolstein KielReturn from loan—29 Jun 2025
- K. Melichenko
Dinamo Batumi——19 Jan 2025 
T. ZimmerschiedSV Elversberg——21 Aug 2024
S. Drljača
VfB StuttgartFree—1 Jul 2024- L. HerrmannSC Paderborn 07——1 Jul 2024
- M. Akoto
AarhusFree—15 Jun 2023 
V. Drchal
Sparta PrahaFree—18 Jul 2022- K. Broll
Gornik ZabrzeFree—4 Jul 2022