| # | Player | Position | Citizenship | Club | Born | Value |
|---|---|---|---|---|---|---|
| 1 |  Issiaga Sylla | Defender - Left-Back | Guinea | Asteras Aktor | 1994 | €1.5m |
| 2 |  Jordan Amavi | Defender - Left-Back | France Senegal | Without Club | 1994 | €1.5m |
| 3 |  Massadio Haïdara | Defender - Left-Back | Mali France | Kocaelispor | 1992 | €1.5m |
| 4 |  Charalampos Lykogiannis | Defender - Left-Back | Greece | Bologna FC 1909 | 1993 | €1.5m |
| 5 |  Juan Cruz | Defender - Left-Back | Spain | CA Osasuna | 1992 | €1.5m |
| 6 |  Alberto Moreno | Defender - Left-Back | Spain | Como 1907 | 1992 | €1.5m |
| 7 |  Kévin Rodrigues | Defender - Left-Back | Portugal France | Gaziantep FK | 1994 | €1.3m |
| 8 |  Diego Rico | Defender - Left-Back | Spain | Getafe CF | 1993 | €1.2m |
| 9 |  Phillipp Mwene | Defender - Left-Back | Austria Kenya | 1.FSV Mainz 05 | 1994 | €1.8m |
| 10 |  Brian Oliván | Defender - Left-Back | Spain | Without Club | 1994 | €1.8m |
| 11 |  Milad Mohammadi | Defender - Left-Back | Iran | Persepolis FC | 1993 | €1.2m |
| 12 |  Cristián Borja | Defender - Left-Back | Colombia | CF América | 1993 | €1.8m |
| 13 |  Cristiano Biraghi | Defender - Left-Back | Italy | Torino FC | 1992 | €1.8m |
| 14 |  Layvin Kurzawa | Defender - Left-Back | France Guadeloupe | Without Club | 1992 | €1.0m |
| 15 |  Philipp Max | Defender - Left-Back | Germany | Panathinaikos FC | 1993 | €1.0m |
| 16 |  Jake Bidwell | Defender - Left-Back | England | Coventry City | 1993 | €1.0m |
| 17 |  Diego Laxalt | Defender - Left-Back | Uruguay Italy | Without Club | 1993 | €2.0m |
| 18 |  Ricardo Rodríguez | Defender - Left-Back | Switzerland Chile | Real Betis Balompié | 1992 | €2.0m |
| 19 |  Johan Mojica | Defender - Left-Back | Colombia Spain | RCD Mallorca | 1992 | €2.0m |
| 20 |  Juan Bernat | Defender - Left-Back | Spain | Without Club | 1993 | €2.0m |
| 21 |  Ridgeciano Haps | Defender - Left-Back | Suriname Netherlands | Venezia FC | 1993 | €0.9m |
| 22 |  Miguel Trauco | Defender - Left-Back | Peru | Club Alianza Lima | 1992 | €0.9m |
| 23 |  Dario Melnjak | Defender - Left-Back | Croatia | HNK Hajduk Split | 1992 | €0.9m |
| 24 |  Jérôme Roussillon | Defender - Left-Back | Guadeloupe France | Without Club | 1993 | €0.8m |
| 25 |  Sam Byram | Defender - Left-Back | England | Leeds United | 1993 | €0.8m |
| 26 |  Charlie Taylor | Defender - Left-Back | England | West Bromwich Albion | 1993 | €2.2m |
| 27 |  Joe Bryan | Defender - Left-Back | England | Millwall FC | 1993 | €0.8m |
| 28 |  Conor Townsend | Defender - Left-Back | England | Ipswich Town | 1993 | €0.8m |
| 29 |  Borna Barisic | Defender - Left-Back | Croatia | Without Club | 1992 | €0.8m |
| 30 |  Adam Lundkvist | Defender - Left-Back | Sweden | BK Häcken | 1994 | €0.8m |