Signings :
- Demirovic for 20 Mil
- Nübel for 19 Mil
- Undav for 18 Mil
- Beste for 15 Mil
- Tzolis for 9 Mil
- Dahoud for 8 Mil
- Thielmann for 7 Mil
- Leweling for 5 Mil
- John for 4 Mil
- Rouault for 3 Mil
- Stergiou for 2 Mil
- Del Castillo on a free transfer
- Woltemade on a free transfer
- Diehl on a free transfer
- Keitel on a free transfer
Total : 110 Mil
Departures :
- Führich for 25 Mil
- Guirassy for 17 Mil
- Silas Katompa Mvumpa for 8 Mil
- Pfeiffer for 2 Mil
- Nartey for 1 Mil
- Perea for 1 Mil
- Gil Dias for 1 Mil
- Egloff on loan
- Sankoh on loan
- Diehl on loan
- Faghir on loan
- Ulrich on loan
- Milosevic on loan
- Kastanaras on loan
- Paula on loan
- Raimund on loan
- Cissé on loan
- Beyaz on loan
- Chase on loan
- Di Benedetto on loan
- Haraguchi on a free transfer
- Massimo on a free transfer
- Schock on a free transfer
Total : 55 Mil
Net expenditure : 55 Mil