New signings
Silas (Red Star Belgrade, end of loan)
Lorenz Assignon (Stade Rennais FC)
Noah Darvich (FC Barcelona)
Lazar Jovanovic (Red Star Belgrade)
Chema Andrés (Real Madrid CF)
Tiago Tomás (VfL Wolfsburg)
Badredine Bouanani (OGC Nice)
Bilal El Khannouss (Leicester City FC)
Departures
Luca Pfeiffer (SV Elversberg)
Juan José Perea (FC Zürich)
Jacob Bruun Larsen (Burnley FC)
Wooyeong Jeong (1. FC Union Berlin)
El Bilal (Atalanta Bergamo, end of loan)
Fabian Rieder (Stade Rennais FC, end of loan)
Dennis Seimen (SC Paderborn, on loan)
Luca Raimund (Fortuna Düsseldorf)
Enzo Millot (Al-Ahli SFC)
Nick Woltemade (Newcastle United)