| Fecha | Jugador | Llega a | Tipo | Precio |
|---|---|---|---|---|
| 1 jul 2021 | Leny Yoro | LOSC Lille U19 | Fichaje | — |
| 1 jul 2021 | Brandon Yarce Quebrada | Recam. Colón | Fichaje | — |
| 1 jul 2021 | Marco de las Sías López | R. Madrid Juv.C | Fichaje | — |
| 1 jul 2021 | Kaylen Lage de Santana Reitmaier | Düsseldorf U19 | Fichaje | — |
| 1 jul 2021 | Tim Spycher | FC Basel 1893 U21 | Fichaje | Sin coste |
| 1 jul 2021 | Joël Monteiro | Stade Lausanne Ouchy | Fichaje | — |
| 1 jul 2021 | Hamza Koutoune | AM Football | Fichaje | — |
| 1 jul 2021 | Alfred Duncan | Cagliari Calcio | Cesión | — |
| 1 jul 2021 | Patrick Nuamah | Brescia Under 17 | Fichaje | — |
| 1 jul 2021 | Jimi Gower | Arsenal FC U18 | Fichaje | — |
| 1 jul 2021 | Ben Parkinson | Newcastle U18 | Fichaje | — |
| 1 jul 2021 | Enes Emre Büyük | Galatasaray U16 | Fichaje | Sin coste |
| 1 jul 2021 | Ferre Slegers | KRC Genk U18 | Fichaje | Sin coste |
| 1 jul 2021 | Phillipp Mwene | PSV Eindhoven | Free | Free |
| 1 jul 2021 | Mario Rivas Lago | RM Fútb. base | Fichaje | — |
| 1 jul 2021 | Ayyoub Bouaddi | LOSC Lille Youth | Fichaje | — |
| 1 jul 2021 | Stelios Andreou | R Charleroi SC | Fichaje | — |
| 1 jul 2021 | Guillaume De Schryver | K Lierse SK | Fichaje | Sin coste |
| 1 jul 2021 | Raúl Asencio | Real Madrid U19 | Fichaje | — |
| 1 jul 2021 | Nicolas Kocik | SO Cholet | Cesión | — |
| 1 jul 2021 | Metehan Baltacı | Galatasaray | Fichaje | Sin coste |
| 1 jul 2021 | Calvin William Ramsay | Aberdeen FC | Fichaje | — |
| 1 jul 2021 | Lamine Kone | FC Lausanne-Sport | Fichaje | — |
| 1 jul 2021 | Nidal Celik | FK Sarajevo Academy U17 | Fichaje | — |
| 1 jul 2021 | Saël Kumbedi Nseke | Le Havre U19 | Fichaje | — |
| 1 jul 2021 | Santi Verdi | Vitória de Guimarães SC U15 | Fichaje | — |
| 1 jul 2021 | Mikel Serrano | Tudelano Juv. A | Fichaje | — |
| 1 jul 2021 | Florian Pruhs | SC Paderborn 07 U17 | Fichaje | — |
| 1 jul 2021 | Xavier Simons | Chelsea FC U21 | Fichaje | Sin coste |
| 1 jul 2021 | Mihajlo Cvetkovic | FK Cukaricki U16 | Fichaje | Sin coste |
| 1 jul 2021 | Andy Diouf | Stade Rennais FC | Fichaje | — |
| 1 jul 2021 | Benjamin Göschl | SK Rapid Wien II | Fichaje | Sin coste |
| 1 jul 2021 | Montassar Talbi | Benevento Calcio | Fichaje | — |
| 1 jul 2021 | Asier Hierro Campo | Athletic Juv. B | Fichaje | — |
| 1 jul 2021 | Rael Nakuzola | Rot-Weiß Oberhausen Youth | Fichaje | — |
| 1 jul 2021 | Maxime Dominguez | Miedz Legnica | Free | Free |
| 1 jul 2021 | Freddie Potts | West Ham U23 | Fichaje | — |
| 1 jul 2021 | Gael Alonso | Gran Peña | Fichaje | — |
| 1 jul 2021 | Luis Dasilva Rodríguez | Sevilla FC C | Fichaje | — |
| 1 jul 2021 | Felix Bacher | WSG Tirol | Fichaje | — |