- L. Holtkamp
VfL BochumFree—30 Jul 2021 - D. Bilogrević
SC Paderborn 07Loan—1 Aug 2020 - J. Hupe
Borussia DortmundFree—15 Jul 2020 - M. Ban
1. FC KölnFree—10 Aug 2017 - D. Schumacher
FC Schalke 04——1 Jul 2016 - K. Lunga1. FC Köln——1 Jul 2016
L. Kübler1. FC KölnFree—25 Feb 2012