| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Rick Karsdorp | Defender - Right-Back | Netherlands | Without Club | 1995 | €3.0m |
| 2 |  Mërgim Vojvoda | Defender - Right-Back | Kosovo Albania | Como 1907 | 1995 | €3.0m |
| 3 |  Ricardo Chávez | Defender - Right-Back | Mexico | CF Monterrey | 1994 | €3.0m |
| 4 |  Ruben Aguilar | Defender - Right-Back | France Spain | RC Lens | 1993 | €3.5m |
| 5 |  Gilberto | Defender - Right-Back | Brazil | Esporte Clube Bahia | 1993 | €2.5m |
| 6 |  Hans Hateboer | Defender - Right-Back | Netherlands | Stade Rennais FC | 1994 | €2.5m |
| 7 |  Giovanni González | Defender - Right-Back | Uruguay Italy | FC Krasnodar | 1994 | €2.5m |
| 8 |  Frédéric Guilbert | Defender - Right-Back | France | US Lecce | 1994 | €2.5m |
| 9 |  Jeremy Toljan | Defender - Right-Back | Germany United States | Levante UD | 1994 | €2.4m |
| 10 |  Emil Krafth | Defender - Right-Back | Sweden | Newcastle United | 1994 | €2.0m |
| 11 |  Renzo Saravia | Defender - Right-Back | Argentina | Clube Atlético Mineiro | 1993 | €2.0m |
| 12 |  Son | Defender - Right-Back | Spain | Ludogorets Razgrad | 1994 | €2.0m |
| 13 |  George Baldock | Defender - Right-Back | Greece England | --- | 1993 | €2.0m |
| 14 |  Iñigo Lekue | Defender - Right-Back | Spain | Athletic Bilbao | 1993 | €2.0m |
| 15 |  Léo Dubois | Defender - Right-Back | France | Without Club | 1994 | €2.0m |
| 16 |  Nacho Vidal | Defender - Right-Back | Spain | Real Oviedo | 1995 | €1.8m |
| 17 |  Mikkel Desler | Defender - Right-Back | Denmark | Austin FC | 1995 | €1.8m |
| 18 |  Youssouf Sabaly | Defender - Right-Back | Senegal France | Al-Duhail SC | 1993 | €1.8m |
| 19 |  Steven Moreira | Defender - Right-Back | Cape Verde France | Columbus Crew | 1994 | €1.8m |
| 20 |  Thomas Foket | Defender - Right-Back | Belgium | RSC Anderlecht | 1994 | €1.5m |
| 21 |  Ricardo Pereira | Defender - Right-Back | Portugal Cape Verde | Leicester City | 1993 | €4.5m |
| 22 |  Florent Hadergjonaj | Defender - Right-Back | Kosovo Switzerland | Alanyaspor | 1994 | €1.5m |
| 23 |  Dimitri Foulquier | Defender - Right-Back | Guadeloupe France | Valencia CF | 1993 | €1.5m |
| 24 |  Ricardo Esgaio | Defender - Right-Back | Portugal | Fatih Karagümrük | 1993 | €1.5m |
| 25 |  Elseid Hysaj | Defender - Right-Back | Albania | SS Lazio | 1994 | €1.5m |
| 26 |  Luis Pérez | Defender - Right-Back | Spain | Gaziantep FK | 1995 | €1.4m |
| 27 |  Marnon Busch | Defender - Right-Back | Germany | 1.FC Heidenheim 1846 | 1994 | €1.2m |
| 28 |  Guillermo Varela | Defender - Right-Back | Uruguay Italy | CR Flamengo | 1993 | €1.2m |
| 29 |  Iván Alejo | Defender - Right-Back | Spain | Real Valladolid CF | 1995 | €1.2m |
| 30 |  Tinga | Defender - Right-Back | Brazil | Fortaleza Esporte Clube | 1993 | €1.2m |