| Name | From Club | To Club | Fee |
| Flamarion | Valenciennes FC | Pakhtakor Tashkent | Free Transfer |
| Bahadır Güngördü | Konyaspor | Igdir FK | Loan Transfer |
| Hamza Mendyl | Oud-Heverlee Leuven | Aris Thessaloniki | ? |
| Michal Kohut | 1.FC Slovacko | FC Banik Ostrava | ? |
| John Tolkin | New York Red Bulls | Holstein Kiel | €2.50m |
| Gregorio Sierra | CS Universitatea Craiova | Without Club | - |
| Santiago Ramos Mingo | Defensa y Justicia | Esporte Clube Bahia | €4.10m |
| Théo Pellenard | AJ Auxerre | Stade Lavallois | Free Transfer |
| Matej Jurasek | SK Slavia Prague | Norwich City | €7.00m |
| Magnus Westergaard | Viborg FF | Wycombe Wanderers | €1.00m |
| James Abankwah | Udinese Calcio | Watford FC | Loan Transfer |
| Thibault De Smet | Stade Reims | Paris FC | Loan Transfer |
| Josen Escobar | CD América de Cali | Al-Ettifaq FC | Loan Transfer |
| Keano Vanrafelghem | Patro Eisden Maasmechelen | KV Mechelen | €1.00m |
| Marko Bjekovic | Without Club | FK Javor-Matis Ivanjica | - |
| Rildo | CD Santa Clara | Portuguesa | Loan Transfer |
| Islam Slimani | CR Belouizdad | KVC Westerlo | Loan Transfer |
| Ayrton Costa | Royal Antwerp FC | CA Boca Juniors | €3.40m |
| Andreas Ntoi | Olympiacos Piraeus | Rio Ave FC | Loan Transfer |
| Romeo Amane | BK Häcken | Rapid Vienna | €2.50m |
| François Mughe | Olympique de Marseille B | Athens Kallithea | Loan Transfer |
| Sebastian Otoa | Aalborg BK | Genoa CFC | €2.75m |
| Boris Tomiak | 1.FC Kaiserslautern | Hannover 96 | €300k |
| Andreas Jungdal | US Cremonese | KVC Westerlo | Loan Transfer |
| Raí | Dinamo Minsk | Without Club | - |
| Aaron Connolly | Sunderland AFC | Millwall FC | ? |
| Valon Ethemi | Istanbulspor | Igdir FK | ? |
| Naci Ünüvar | Ajax Amsterdam | Twente Enschede FC | Free Transfer |
| Dudu | Fortaleza Esporte Clube | Club Athletico Paranaense | ? |
| Kamal Sowah | Club Brugge KV | Without Club | - |
| Dean Lico | Igdir FK | Boluspor | ? |
| David Kinsombi | SC Paderborn 07 | Preußen Münster | Loan Transfer |
| Óscar Clemente | Levante UD | FC Cartagena | Loan Transfer |
| Woyo Coulibaly | Parma Calcio 1913 | Leicester City | €3.00m |
| Nicolás Fonseca | CA River Plate | Club León FC | €2.15m |
| Fabrizio Caligara | US Sassuolo | US Salernitana 1919 | Loan Transfer |
| Alberto del Moral | Real Oviedo | Córdoba CF | Loan Transfer |
| Nicolás Ramírez | Barcelona SC Guayaquil | Club Universidad de Chile | Free Transfer |
| Gonzalo Lencina | Club Atlético Belgrano | Deportes Tolima | ? |
| Faber Gil | Deportivo Pereira | Atlético Nacional | Loan Transfer |
| Volodymyr Shepelev | Dynamo Kyiv | Without Club | - |
| Jaden Philogene | Aston Villa | Ipswich Town | €23.70m |
| Jaime Moreno | SJK Seinäjoki | PS Barito Putera | ? |
| Agustín Alaniz | Racing Club de Montevideo | CA Banfield | €875k |
| Benhur Keser | Caykur Rizespor | Esenler Erokspor | Loan Transfer |
| Jairo Jean | FC Aktobe | Qadsia SC | Free Transfer |
| Lars-Jørgen Salvesen | Viking FK | Derby County | €1.00m |
| Kosta Aleksic | Igdir FK | Boluspor | Loan Transfer |
| Matheus Alexandre | Cuiabá Esporte Clube (MT) | Sport Club do Recife | ? |
| Brian Mansilla | CA Peñarol | FC Arouca | Loan Transfer |
