| Fecha | Jugador | Llega a | Tipo | Precio |
|---|---|---|---|---|
| 1 jul 2021 | Prince Adu-Addae Junior Aning | Ajax U18 | Fichaje | — |
| 1 jul 2021 | Harvey Elliott | Liverpool FC | Fichaje | — |
| 1 jul 2021 | Arnau Rafús Aulet | Barça Juv A | Fichaje | — |
| 1 jul 2021 | Jakob Brandtner | AKA Red Bull Salzburg U16 | Fichaje | Sin coste |
| 1 jul 2021 | Vicente Oliveira | Rio Ave FC U19 | Fichaje | — |
| 1 jul 2021 | Tyler Fredricson | Manchester United U18 | Fichaje | Sin coste |
| 1 jul 2021 | Jesper Tolinsson | Lommel SK | Fichaje | €2.0M |
| 1 jul 2021 | Tiago Brito | FC Vizela Youth 19 | Fichaje | — |
| 1 jul 2021 | Giacomo Toniolo | Verona U19 | Fichaje | — |
| 1 jul 2021 | Jon Martín | Beasain Juv. A | Cesión | — |
| 1 jul 2021 | Enzo Molebe | Olympique Lyon U17 | Fichaje | Sin coste |
| 1 jul 2021 | Matthias Seidl | FC Blau-Weiss Linz | Fichaje | Sin coste |
| 1 jul 2021 | Jan Oliveras | Roma U20 | Fichaje | — |
| 1 jul 2021 | Augustin Delbecque | RC Lens B | Fichaje | — |
| 1 jul 2021 | Iván Garriel | Real Valladolid U19 | Fichaje | — |
| 1 jul 2021 | Aljoscha Kemlein | 1.FC Union Berlin U19 | Fichaje | — |
| 1 jul 2021 | Jarell Njiké Simo | Servette FC U18 | Fichaje | Sin coste |
| 1 jul 2021 | Kwadwo Baah | Watford FC | Fichaje | Sin coste |
| 1 jul 2021 | Pelayo Fernández | FC Barcelona U19 | Fichaje | — |
| 1 jul 2021 | Salim El Jebari | Atlético Madrid U19 | Fichaje | — |
| 1 jul 2021 | Antonio David | R. Madrid Juv.C | Fichaje | — |
| 1 jul 2021 | Jacques Ekomié | G. Bordeaux B | Fichaje | — |
| 1 jul 2021 | John McAtee | Grimsby Town | Fichaje | Sin coste |
| 1 jul 2021 | Dane Pharrell Scarlett | Tottenham U23 | Fichaje | — |
| 1 jul 2021 | Nico Föllmi | FCO St. Gallen/Wil U18 | Fichaje | Sin coste |
| 1 jul 2021 | Memphis Depay | FC Barcelona | Free | Free |
| 1 jul 2021 | Tim Trummer | AKA Red Bull Salzburg U18 | Fichaje | Sin coste |
| 1 jul 2021 | Lucas Michal | AS Monaco U19 | Fichaje | Sin coste |
| 1 jul 2021 | Rachid Saiah | Espanyol Barcelona U18 | Fichaje | — |
| 1 jul 2021 | Jorge Rastrojo | RZ Deportivo Aragón | Fichaje | — |
| 1 jul 2021 | Dom Jefferies | Brentford FC B | Fichaje | Sin coste |
| 1 jul 2021 | Milan van Ewijk | SC Heerenveen | Fichaje | €650k |
| 1 jul 2021 | Nobel Mendy | Paris FC U19 | Fichaje | — |
| 1 jul 2021 | Joseph Kalulu | AS Saint-Priest U19 | Fichaje | — |
| 1 jul 2021 | Nolan Galves | FC Sochaux-Montbéliard B | Fichaje | Sin coste |
| 1 jul 2021 | Arijon Ibrahimovic | FC Bayern Munich U19 | Fichaje | — |
| 1 jul 2021 | Robin Pröpper | FC Twente Enschede | Fichaje | — |
| 1 jul 2021 | Samuel Isife | 36 Lion FC | Fichaje | — |
| 1 jul 2021 | Patrick Drewes | SV Sandhausen | Free | Free |
| 1 jul 2021 | Alban Ajdini | FC Stade-Lausanne-Ouchy | Fichaje | Sin coste |