- Rohin Shivani
Hamburger SVLoan—30 Jun 2026 - J. Tugbenyo
SC Paderborn 07Loan—4 Jan 2021 - Dimitrios Ioannidis
Fortuna SittardLoan—28 Aug 2020 - Nelson Mandela Mbouhom
Eintracht FrankfurtFree—30 Aug 2019 - T. Jović
Zrinjski——24 Jan 2019 - F. DrinkuthSC Paderborn 07Loan—24 Jan 2019
L. Dietz
Union BerlinLoan—31 Aug 2018- S. Karweina
1. FC KölnFree—1 Jul 2018 - P. Chato
Borussia DortmundFree—1 Jul 2018 - M. PiossekSC Paderborn 07Free—14 Aug 2017
- M. Oesterhelweg
SV ElversbergFree—1 Jul 2017 
H. Al GhaddiouiBorussia Dortmund——1 Jul 2017- M. Rossmann
FSV Mainz 05Free—1 Jul 2017 - S. Sané
Holstein KielFree—6 Jan 2017 - Y. ZummackEintracht Frankfurt——1 Jul 2016
- P. Steinhart
Bayern München——1 Jul 2016 - N. Neidhart
FC Schalke 04——1 Jul 2015 - C. RascheSC Paderborn 07Free—21 Jan 2013
- Sofien ChahedHolstein Kiel——1 Aug 2012
- L. Spit
Dinamo TiranaFree Transfer—1 Jan 2025 - J. Peitzmeier
FC St. PauliFree—1 Jul 2022 
C. Azong
Progres NiederkornFree—1 Jul 2021- Dimitrios IoannidisFortuna Sittard——1 Jul 2021
- L. MenkeSV ElversbergFree—1 Jul 2021
- J. TugbenyoSC Paderborn 07——1 Jul 2021
- L. DietzUnion Berlin——1 Jul 2019
- F. DrinkuthSC Paderborn 07——1 Jul 2019
- D. RosinSV Elversberg——31 Jan 2019
- J. KlaukeFC Schalke 04Free—1 Feb 2014
- T. Willers
RB LeipzigFree—1 Jul 2013