| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Lucas Suárez | Defender - Centre-Back | Argentina | Liverpool FC Montevideo | 1995 | €0.7m |
| 2 |  Emiliano Amor | Defender - Centre-Back | Syria Argentina | CSD Colo-Colo | 1995 | €0.7m |
| 3 |  Antoine Conte | Defender - Centre-Back | Guinea France | Igdir FK | 1994 | €0.7m |
| 4 |  Jesiel | Defender - Centre-Back | Brazil | Kawasaki Frontale | 1994 | €0.7m |
| 5 |  Tyias Browning | Defender - Centre-Back | China England | Shanghai Port | 1994 | €0.7m |
| 6 |  Antonio Milic | Defender - Centre-Back | Croatia | Lech Poznan | 1994 | €0.7m |
| 7 |  Emmanuel Hackman | Defender - Centre-Back | Togo Ghana | Turan-Tovuz IK | 1995 | €0.7m |
| 8 |  Jonathan Sánchez | Defender - Centre-Back | Mexico | CD Leones Negros de la UdeG | 1994 | €0.7m |
| 9 |  Ricardo Santos | Defender - Centre-Back | Cape Verde Portugal | Swansea City | 1995 | €0.6m |
| 10 |  Maximilian Rohr | Defender - Centre-Back | Germany | SV 07 Elversberg | 1995 | €0.6m |
| 11 |  Rodrigo Abascal | Defender - Centre-Back | Uruguay Spain | Vitória Guimarães SC | 1994 | €0.7m |
| 12 |  Sergey Bozhin | Defender - Centre-Back | Russia | Krylya Sovetov Samara | 1994 | €0.7m |
| 13 |  Jordy de Wijs | Defender - Centre-Back | Netherlands | Fortuna Düsseldorf | 1995 | €0.6m |
| 14 |  Egor Danilkin | Defender - Centre-Back | Russia | Torpedo Moscow | 1995 | €0.7m |
| 15 |  Gilles Ruyssen | Defender - Centre-Back | Belgium | KV Kortrijk | 1994 | €0.6m |
| 16 |  Tobias Salquist | Defender - Centre-Back | Denmark | FC Nordsjaelland | 1995 | €0.7m |
| 17 |  Théo Pellenard | Defender - Centre-Back | France | Stade Lavallois | 1994 | €0.7m |
| 18 |  Mattia Caldara | Defender - Centre-Back | Italy | Without Club | 1994 | €0.7m |
| 19 |  Ponck | Defender - Centre-Back | Cape Verde Portugal | Without Club | 1995 | €0.6m |
| 20 |  Renato Gojkovic | Defender - Centre-Back | Bosnia-Herzegovina | FK Sarajevo | 1995 | €0.6m |
| 21 |  Iván Márquez | Defender - Centre-Back | Spain | Fortuna Sittard | 1994 | €0.6m |
| 22 |  Messias | Defender - Centre-Back | Brazil | Goiás EC | 1994 | €0.6m |
| 23 |  Tobias Müller | Defender - Centre-Back | Germany | 1.FC Magdeburg | 1994 | €0.6m |
| 24 |  Marvin Ekpiteta | Defender - Centre-Back | England Nigeria | Milton Keynes Dons | 1995 | €0.6m |
| 25 |  Ondrej Karafiat | Defender - Centre-Back | Czech Republic | 1.FC Nuremberg | 1994 | €0.6m |
| 26 |  Senou Coulibaly | Defender - Centre-Back | Mali France | Omonia Nicosia | 1994 | €0.7m |
| 27 |  Dominik Kovacic | Defender - Centre-Back | Croatia | Slaven Belupo Koprivnica | 1994 | €0.6m |
| 28 |  José León | Defender - Centre-Back | Spain | CD Tenerife | 1995 | €0.6m |
| 29 |  Miguel Araujo | Defender - Centre-Back | Peru | Club Sporting Cristal | 1994 | €0.6m |
| 30 |  Florian Le Joncour | Defender - Centre-Back | France | SV 07 Elversberg | 1995 | €0.6m |