Borussia Dortmund have completed the signing of Sunderland midfielder Jobe Bellingham, five years after bringing his older brother Jude to the Bundesliga.
Real Madrid have officially presented Dean Huijsen as their first signing of the transfer window, after activating the 20-year-old defender's 50 million pounds release clause from Bournemouth.
Manchester City have completed the signing of French international Rayan Cherki from Lyon on a five-year contract, the Premier League champions confirmed on Tuesday.
Paris Saint-Germain goalkeeper Gianluigi Donnarumma faces an uncertain future as contract renewal talks have stalled, with just one year remaining on his current deal.
Atletico Madrid have confirmed the permanent signing of Juan Musso, with the goalkeeper committing to the club until 2028.
Bayern Munich have secured two major signings, Jonathan Tah from Bayer Leverkusen and Tom Bischof from Hoffenheim, as they gear up for the Club World Cup in the United States from 15 June.