| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Claudio Bravo | Defender - Left-Back | Argentina | AA Argentinos Juniors | 1997 | €1.5m |
| 2 |  Alejandro Mayorga | Defender - Left-Back | Mexico | FC Juárez | 1997 | €1.5m |
| 3 |  Enric Franquesa | Defender - Left-Back | Spain | CD Leganés | 1997 | €1.5m |
| 4 |  Carlos Neva | Defender - Left-Back | Spain | Albacete Balompié | 1996 | €1.5m |
| 5 |  Jonas Föhrenbach | Defender - Left-Back | Germany | 1.FC Heidenheim 1846 | 1996 | €1.5m |
| 6 |  Bradley Mazikou | Defender - Left-Back | Congo France | Servette FC | 1996 | €1.5m |
| 7 |  Adrián Marín | Defender - Left-Back | Spain | Orlando City SC | 1997 | €1.5m |
| 8 |  Osvaldo Rodríguez | Defender - Left-Back | Mexico | Tigres UANL | 1996 | €1.5m |
| 9 |  Marc Bola | Defender - Left-Back | England DR Congo | Watford FC | 1997 | €1.5m |
| 10 |  Ryoya Ogawa | Defender - Left-Back | Japan | Kashima Antlers | 1996 | €1.5m |
| 11 |  Aldo Cruz | Defender - Left-Back | Mexico | Atlético de San Luis | 1997 | €1.2m |
| 12 |  Fodé Ballo-Touré | Defender - Left-Back | Senegal France | FC Metz | 1997 | €1.2m |
| 13 |  Florian Miguel | Defender - Left-Back | France Portugal | Burgos CF | 1996 | €1.2m |
| 14 |  Hugo | Defender - Left-Back | Brazil | Sport Club Corinthians Paulista | 1997 | €1.2m |
| 15 |  Emmanuel Iyoha | Defender - Left-Back | Germany Nigeria | Fortuna Düsseldorf | 1997 | €1.2m |
| 16 |  Thomas Ouwejan | Defender - Left-Back | Netherlands | NEC Nijmegen | 1996 | €1.2m |
| 17 |  Yuri Ribeiro | Defender - Left-Back | Portugal Switzerland | Blackburn Rovers | 1997 | €1.2m |
| 18 |  Leonardo Sernicola | Defender - Left-Back | Italy | US Cremonese | 1997 | €1.8m |
| 19 |  Bruno Langa | Defender - Left-Back | Mozambique | Pafos FC | 1997 | €1.2m |
| 20 |  Jannes Horn | Defender - Left-Back | Germany | Rapid Vienna | 1997 | €1.2m |
| 21 |  Toni Lato | Defender - Left-Back | Spain | RCD Mallorca | 1997 | €1.8m |
| 22 |  José Gomes | Defender - Left-Back | Portugal | CD Nacional | 1996 | €1.0m |
| 23 |  Ghislain Konan | Defender - Left-Back | Cote d'Ivoire | Gil Vicente FC | 1995 | €1.0m |
| 24 |  Gabriel Fuentes | Defender - Left-Back | Colombia | Fluminense Football Club | 1997 | €2.0m |
| 25 |  Maximilian Ullmann | Defender - Left-Back | Austria | Without Club | 1996 | €1.0m |
| 26 |  Mads Pedersen | Defender - Left-Back | Denmark | FC Augsburg | 1996 | €2.0m |
| 27 |  Cristian Calderón | Defender - Left-Back | Mexico | Club Necaxa | 1997 | €2.0m |
| 28 |  Gonzalo Escobar | Defender - Left-Back | Argentina | Santos FC | 1997 | €1.0m |
| 29 |  Nicolas | Defender - Left-Back | Brazil Italy | Ceará Sporting Club | 1997 | €1.0m |
| 30 |  Andrew Gutman | Defender - Left-Back | United States | Chicago Fire FC | 1996 | €1.0m |