Manchester United midfielder Paul Pogba is wanted by Barcelona after the club signed a new lucrative sponsorship deal. The 29-year-old is out of contract at Old Trafford in the summer.
Juventus plan on raiding Manchester City for striker Gabriel Jesus if the Premier League champions are successful in their pursuit of Borussia Dortmund hitman Erling Haaland. The Brazilian may cost as much €65m, however.
The Italian giants have agreed a four-year deal with Chelsea defender Antonio Rudiger ahead of his contract expiring in June.
Chelsea captain Cesar Azpilicueta may also be heading for the exit door after agreeing terms in principle with Barcelona.
Monaco have set an asking price of €50m for clubs interested in signing Aurelien Tchouameni. Liverpool, Manchester City, Manchester United and Chelsea have all registered their interest, as have Real Madrid.
Tottenham manager Antonio Conte is a huge fan of Napoli striker Victor Osimhen and could pursue a deal this summer.
Barcelona are interested in taking Sergio Reguilon back to La Liga and could offer Tottenham two players in exchange. Clement Lenglet and Memphis Depay have both previously been linked with a move to north London.
Real Madrid may activate the buy-back clause inserted in Tottenham's deal to sign Reguilon in the summer of 2020. That will set Los Blancos back around €40m (£33.6m).
Manchester United are considering a bid for goalkeeper Yassine Bounou, who was on the losing side on Thursday as Sevilla were dumped out of the Europa League by West Ham.
Newcastle have stepped up their interest in Everton defender Ben Godfrey ahead of a potentially huge summer of spending.
Lionel Messi isn't likely to seek an exit from PSG and will instead see out the two-year contract he signed when joining from Barcelona. A return to Camp Nou has been mooted.
Juventus and Inter both had scouts out watching on-loan Crystal Palace midfielder Conor Gallagher during Monday's 0-0 draw with Manchester City. The 22-year-old is contracted to Chelsea until 2025.
Divock Origi has told Liverpool he wants to leave the club this summer to pursue regular first-team football. The Belgian striker is out of contract in the summer and is wanted by AC Milan.
Atletico Madrid have made an approach for 30-year-old utility midfielder Sergi Roberto, who is out of contract at Barcelona this summer.