| Fecha | Jugador | Llega a | Tipo | Precio |
|---|---|---|---|---|
| 1 jul 2023 | Zé Carlos | Vitória Guimarães SC | 400K | €400k |
| 1 jul 2023 | Andrés Castrín | CD Lugo | Fichaje | — |
| 1 jul 2023 | Pedro Fidel Cedillo Segura | Sp Atl Ceuta Ju | Fichaje | — |
| 1 jul 2023 | Jorge San José de la Torre | Atlético Madrileño | Fichaje | — |
| 1 jul 2023 | Gennaro Borrelli | Frosinone Calcio | Fichaje | €330k |
| 1 jul 2023 | Nicolò Rovella | Juventus FC | N/A | N/A |
| 1 jul 2023 | Jon de Luis Suescun | Bilbao Athletic | Fichaje | — |
| 1 jul 2023 | James McConnell | Liverpool FC U21 | Fichaje | — |
| 1 jul 2023 | Rijk Janse | NEC Nijmegen | Fichaje | — |
| 1 jul 2023 | Hans Nicolussi Caviglia | Juventus FC | Fichaje | — |
| 1 jul 2023 | Charles Herrmann | Borussia Dortmund U19 | Fichaje | Sin coste |
| 1 jul 2023 | Carl Rushworth | Brighton & Hove Albion FC | Fichaje | — |
| 1 jul 2023 | Philip Otele | CFR Cluj | Fichaje | Sin coste |
| 1 jul 2023 | Renato | Bologna Under 17 | Fichaje | Sin coste |
| 1 jul 2023 | Axel Willockx | Jong KV Mechelen | Fichaje | Sin coste |
| 1 jul 2023 | Wilber Alejandro Hurtado Castillo | Montañesa | Fichaje | — |
| 1 jul 2023 | César Bonafé Ceita | Valencia Juv. A | Fichaje | — |
| 1 jul 2023 | Dries Wouters | Lommel SK | Fichaje | €600k |
| 1 jul 2023 | Lapo Francesco Maria Nava | AC Milan | Fichaje | — |
| 1 jul 2023 | Jacob Axel Per Ondrejka | Royal Amberes FC | Fichaje | €1.5M |
| 1 jul 2023 | Kevin Schade | Brentford FC | Fichaje | €25.0M |
| 1 jul 2023 | Lucas Freitas | Associação Chapecoense de Futebol | Cesión | Préstamo / cesión |
| 1 jul 2023 | Jannes Horn | 1. FC Núremberg | Fichaje | Sin coste |
| 1 jul 2023 | Matias Silva | CD Nacional U17 | Fichaje | — |
| 1 jul 2023 | Afonso Duarte | SC Braga U23 | Fichaje | — |
| 1 jul 2023 | Sebastian Esposito | Melbourne City FC | Fichaje | — |
| 30 jun 2023 | Wout Verlinden | Club Brugge II | - | - |
| 29 jun 2023 | Bryan Limbombe | Heracles | N/A | N/A |
| 29 jun 2023 | Pavel Behenský | Slavia Praha II | Cesión | Return from loan |
| 29 jun 2023 | Tobias Schützenauer | SCR Altach | Free | Free |
| 27 jun 2023 | Bo Hegland | Frigg Oslo FK | Fichaje | Sin coste |
| 27 jun 2023 | Kevin Duvan Castaño Gil | Cruz Azul | Free | Free |
| 26 jun 2023 | Suleiman Camara | Stade Lausanne-Ouchy | N/A | N/A |
| 26 jun 2023 | Pedro Bondo | Sporting CP B | Cesión | Loan |
| 24 jun 2023 | Samuel Adeniran | St. Louis City | N/A | N/A |
| 22 jun 2023 | Roland Galcik | Podbrezová | Free | Free |
| 22 jun 2023 | Moisés Vieira da Veiga | Cruz Azul | N/A | N/A |
| 21 jun 2023 | Andrés Alberto Andrade Cedeño | Lask Linz | N/A | N/A |
| 21 jun 2023 | Alexander Schlager | Red Bull Salzburg | Free | Free |
| 21 jun 2023 | Ezechiel Banzuzi | OH Leuven | Free | Free |