| Fecha | Jugador | Llega a | Tipo | Precio |
|---|---|---|---|---|
| 1 jul 2019 | Dilhan Demir | Wuppertaler SV U17 | Fichaje | Sin coste |
| 1 jul 2019 | Chrislain Matsima | AS Monaco U21 | Fichaje | — |
| 1 jul 2019 | Troy Parrott | Tottenham Hotspur U21 | Fichaje | — |
| 1 jul 2019 | Kayne Ramsay | Southampton FC U21 | Fichaje | Sin coste |
| 1 jul 2019 | Lucas Calodat | AS Saint-Étienne U19 | Fichaje | — |
| 1 jul 2019 | Manu Bueno | Sevilla Cad. A | Fichaje | — |
| 1 jul 2019 | Amara Condé | Rot-Weiss Essen | Fichaje | — |
| 1 jul 2019 | David Herold | FC Bayern Munich U19 | Fichaje | — |
| 1 jul 2019 | Lorenzo Bernasconi | Cremonese U17 | Fichaje | — |
| 1 jul 2019 | Melvin Zinga | AC Le Havre B | Fichaje | — |
| 1 jul 2019 | Joseph Peter Newell | Hibernian FC | Fichaje | — |
| 1 jul 2019 | Jandro Orellana | FC Barcelona Atlètic | Fichaje | — |
| 1 jul 2019 | Kenan Toibibou | Châteauroux U17 | Fichaje | — |
| 1 jul 2019 | Younes Namli | FK Krasnodar | Fichaje | €2.0M |
| 1 jul 2019 | Finn van Breemen | ADO Den Haag U17 | Fichaje | — |
| 1 jul 2019 | Beñat Turrientes | Real Soc. Juv.A | Fichaje | — |
| 1 jul 2019 | Joël Schmied | FC WIL 1900 | Cesión | Loan |
| 1 jul 2019 | Josko Gvardiol | GNK Dinamo Zagreb | Fichaje | — |
| 1 jul 2019 | Souleyman Mandey | The Pulse Academy | Fichaje | Sin coste |
| 1 jul 2019 | Yanis Musuayi | KSC Lokeren Youth (-2020) | Fichaje | — |
| 1 jul 2019 | Daniel Finlayson | Rangers II | Fichaje | — |
| 1 jul 2019 | Renan Augusto Lodi dos Santos | Atlético de Madrid | € 20M | €20.0M |
| 1 jul 2019 | Emmanuel Longelo Mbule | West Ham U23 | Fichaje | — |
| 1 jul 2019 | Ryan Metu | Groningen Juveni | Fichaje | — |
| 1 jul 2019 | Halil Özdemir | Beerschot VA Youth | Fichaje | Sin coste |
| 1 jul 2019 | Oleksandr Karavaev | FC Dinamo de Kiev | Fichaje | — |
| 1 jul 2019 | Valentin Rosier | Sporting de Lisboa | Fichaje | €5.0M |
| 1 jul 2019 | Estanis Pedrola | Reus D. Juv. A | Fichaje | — |
| 1 jul 2019 | Yllan Okou | AS Monaco U19 | Fichaje | Sin coste |
| 1 jul 2019 | Vitinha | FC Porto B | Fichaje | — |
| 1 jul 2019 | Myenty Abena | Slovan Bratislava | Fichaje | Sin coste |
| 1 jul 2019 | Kevin Carlos | SD Huesca U19 | Fichaje | — |
| 1 jul 2019 | Álex Padilla | Athletic Bilbao U18 | Fichaje | — |
| 1 jul 2019 | Rocco Reitz | Borussia Mönchengladbach U19 | Fichaje | — |
| 1 jul 2019 | Koni De Winter | Juventus U19 | Fichaje | — |
| 1 jul 2019 | Djibril Sow | Eintracht Fráncfort | Fichaje | €14.0M |
| 1 jul 2019 | Matěj Šín | Ostrava U17 | Fichaje | — |
| 1 jul 2019 | Jamie Smith | Hamilton A. Re. | Fichaje | — |
| 1 jul 2019 | Jack McGlynn | Philadelphia Union Academy | Fichaje | Sin coste |
| 1 jul 2019 | Samuel Lino | Gil Vicente FC | N/A | N/A |