Waldhof Mannheim
—
- L. Mickels
ZiraFree agent21 Jul 2026 
Gonçalo Gregório
FC NoahFree agent3 Jul 2026- Gonçalo GregórioFC NoahFree agent2 Jul 2026
- Y. Hor
1899 HoffenheimFree agent1 Jul 2026 - Y. Hor1899 HoffenheimFree agent30 Jun 2026
- L. MickelsZiraFree agent29 Jun 2026
- L. Bierschenk
FSV Mainz 05Transfer20 Jan 2026 - V. ThillZiraFree agent14 Jan 2026
Oluwaseun Ogbemudia
Union BerlinLoan2 Jan 2026- V. ThillZiraFree agent21 Oct 2025
- T. Nijhuis
HJK HelsinkiTransfer8 Aug 2025 - T. NijhuisHJK HelsinkiTransfer7 Aug 2025
- J. Brandt
SC Paderborn 07Free agent30 Jun 2025 
Manuel Braun
VfL WolfsburgLoan2 Sept 2024- H. Matriciani
FC Schalke 04Loan26 Aug 2024 - J. CarlsSC Paderborn 07Free1 Jul 2023
- P. Lockl
Borussia MönchengladbachFree1 Jul 2023 - J. DörflerSC Paderborn 07Loan1 Jul 2022
B. Taz
Borussia DortmundFree1 Jul 2022- B. Ekincier
VfL Bochum—31 Aug 2021
- Oluwaseun OgbemudiaUnion BerlinReturn from loan29 Jun 2026
K. OkpalaSC Paderborn 07Transfer1 Jan 2026- K. OkpalaSC Paderborn 07Transfer31 Dec 2025
- H. MatricianiFC Schalke 04Back from Loan1 Jul 2025
- H. MatricianiFC Schalke 04Return from loan29 Jun 2025
- Manuel BraunVfL WolfsburgReturn from loan29 Jun 2025
A. Lebeau
Stade Brestois 29Free4 Aug 2023- D. Martinović
SV ElversbergFree1 Jul 2023 - M. SchusterSC Paderborn 07Free1 Jul 2021
- K. ConradSV ElversbergFree1 Jul 2020
- H. Balitsch
1. FC Köln€ 1.5M1 Jul 2001