| Fecha | Jugador | Llega a | Tipo | Precio |
|---|---|---|---|---|
| 1 jul 2019 | Aimar Duñabeitia | Athletic Juv. B | Fichaje | — |
| 1 jul 2019 | Juanmi Latasa | R. Madrid Juv.A | Fichaje | — |
| 1 jul 2019 | Nacho Martín | Sporting Juv. A | Fichaje | — |
| 1 jul 2019 | Bart van Rooij | NEC Nijmegen | Fichaje | — |
| 1 jul 2019 | Armando Güner | Borussia Mönchengladbach Youth | Fichaje | Sin coste |
| 1 jul 2019 | Ilay Camara | RSC Anderlecht U18 | Fichaje | Sin coste |
| 1 jul 2019 | Marc Casadó | FC Barcelona U18 | Fichaje | — |
| 1 jul 2019 | Oliver Burke | West Bromwich Albion | N/A | N/A |
| 1 jul 2019 | Max Weiß | Karlsruher SC Youth | Fichaje | Sin coste |
| 1 jul 2019 | Iker Losada | RC Celta Fortuna | Fichaje | — |
| 1 jul 2019 | Pablo Fornals | West Ham United FC | Fichaje | €28.0M |
| 1 jul 2019 | Taha Altıkardeş | Bursaspor U17 | Fichaje | Sin coste |
| 1 jul 2019 | Enzo Fernández | CA River Plate II | Fichaje | — |
| 1 jul 2019 | Bela Dumrath | Team Südostschweiz U18 | Fichaje | Sin coste |
| 1 jul 2019 | Ben Lhassine Kone | Cosenza Calcio | Cesión | — |
| 1 jul 2019 | Hugo Novoa | RB Leipzig U17 | Fichaje | — |
| 1 jul 2019 | Fabian Bredlow | VfB Stuttgart | N/A | N/A |
| 1 jul 2019 | Gonçalo Inácio | Sporting CP U23 | Fichaje | — |
| 1 jul 2019 | Trai Hume | Linfield FC Reserves | Fichaje | — |
| 1 jul 2019 | João Neves | SL Benfica U17 | Fichaje | — |
| 1 jul 2019 | Junior Mwanga | Bordeaux U17 | Fichaje | — |
| 1 jul 2019 | Boyd Reith | Sparta U21 | Fichaje | — |
| 1 jul 2019 | Ryan McAidoo | Chelsea FC Youth | Fichaje | — |
| 1 jul 2019 | Matteo Politano | Inter Milan | Fichaje | €21.1M |
| 1 jul 2019 | Daniel Peretz | Maccabi Tel Aviv | Fichaje | Sin coste |
| 1 jul 2019 | Ethan Laird | Manchester United U21 | Fichaje | Sin coste |
| 1 jul 2019 | Owen Jochmans | KAA Gent U18 | Fichaje | Sin coste |
| 1 jul 2019 | Luka Gugeshashvili | Recreativo Granada | Cesión | Préstamo / cesión |
| 1 jul 2019 | Antonio Vergara | Napoli Under 17 | Fichaje | — |
| 1 jul 2019 | Alex Scott | Bristol City U18 | Fichaje | — |
| 1 jul 2019 | Gui Guedes | Vitória de Guimarães SC U23 (- 2022) | Fichaje | — |
| 1 jul 2019 | Chima Okoroji | SSV Jahn Regensburg | Cesión | Préstamo / cesión |
| 1 jul 2019 | Ekain Zenitagoia Arana | SD Amorebieta | Fichaje | — |
| 1 jul 2019 | Lukas Nmecha | Manchester City FC | Fichaje | — |
| 1 jul 2019 | Lamare Bogarde | Feyenoord U17 | Fichaje | — |
| 1 jul 2019 | Tiago Esgaio | Belenenses | N/A | N/A |
| 1 jul 2019 | Mischa Eberhard | BSC Young Boys U21 | Fichaje | Sin coste |
| 1 jul 2019 | Jon Moncayola | CA Osasuna | Fichaje | — |
| 1 jul 2019 | Paulo Henrique | Penafiel | N/A | N/A |
| 1 jul 2019 | Lewis Brunt | Aston Villa U21 | Fichaje | Sin coste |