The transfer window will open for 10 weeks, starting on the 27th of July 2020 and ending on the 5th of October 2020 in most countries in Europe.
Aston Villa centre-back Tyrone Mings has signed a contract extension with the club until 2024.
FC Koln have signed Greek winger Dimitrios Limnios from PAOK for €3.3-million.
Boavista have signed Honduran winger Alberth Elis from Dynamo Houston for an undisclosed fee.
Leicester City have signed winger Cengiz Under from Roma on a season-long loan.
CA Osasuna have signed Spanish winger Jony on a season-long loan from Lazio.
Bristol Rovers have signed midfielder Luke McCormick from Chelsea on a season-long loan.
Fenerbahce have signed Turkish full-back Nazim Sangaré from Antalyaspor for €1.75m.
Brentford have signed winger Saman Ghoddos from Amiens on a season-long loan.
Elche CF have signed Spanish midfielder Raúl Guti from Real Zaragoza for €5-million.
PSV have signed Israeli forward Eran Zahavi on a free transfer, following his departure from Guangzhou R&F.
ADO Den Haag have signed English midfielder Ravel Morrison on a free transfer, following his departure from Sheffield United.
Birmingham City have signed Spanish midfielder Mikel San José from Athletic Bilbao on a free transfer.
Leixoes have re-signed former Sporting CP, FC Porto and Sevilla goalkeeper Beto on a free transfer.
Huddersfield Town have signed Dutch midfielder Carel Eiting on a season-long loan from Ajax.
Union Berlin have signed Nigerian forward Taiwo Awoniyi on a season-long loan from Liverpool.
AEK Athens have signed Ukrainian midfielder Yevgen Shakhov from Lecce on a free transfer.
Ankaragucu have signed Senegalese midfielder Assane Diousse on a season-long loan from Saint Etienne.
Middlesbrough have signed striker Chuba Akpom from PAOK for £2.75-million.
Crotone have signed Portuguese full-back Pedro Pereira from SL Benfica for an undisclosed fee.
Elche CF have signed Argentine forward Lucas Boyé on a season-long loan from Torino.