Manchester United are reportedly the frontrunners to sign AC Milan winger Rafael Leao, with the Italian club willing to sell the Portugal international for a cut-price £43 million, according to Gazzetta Dello Sport.

United's busy summer window taking shape

Leao, 26, has been one of Serie A's most exciting attackers in recent seasons, making the reported asking price a potential bargain for Old Trafford. United are said to be best placed among interested clubs to secure his signature.

The Red Devils could pursue further attacking reinforcements if West Ham are relegated from the Premier League. Football Insider reports that Jarrod Bowen, 29, could be available and United are monitoring the England forward's situation at the London Stadium.

Chelsea move for Barco and eye Silva return

Chelsea have agreed a deal to bring Argentine left wing-back Valentin Barco, 21, to Stamford Bridge from sister club Strasbourg, according to the Mail. Barco previously spent time on loan at Brighton before his move to France.

The Blues are also reportedly keen to bring back former defender Thiago Silva, 41, in a coaching capacity following his recent departure from Porto. However, AC Milan have complicated matters by offering the Brazilian veteran a one-year playing contract, per ESPN Brasil.

Alisson open to Juventus move

Liverpool's Brazilian goalkeeper Alisson Becker, 33, is said to be willing to join Juventus and link up once again with former Roma coach Luciano Spalletti — even if the Turin club misses out on Champions League qualification, Corriere Dello Sport reports.

More Premier League transfer chatter

Leeds United could target Southampton midfielder Shea Charles, 22, after the Northern Ireland international's hopes of reaching the Premier League were dashed amid the Spygate controversy, according to Football Insider.

Former Arsenal centre-back Jakub Kiwior, now at Porto, has attracted the attention of Barcelona. The 26-year-old Poland international is under consideration as the La Liga champions search for defensive reinforcements, Sport reports.

Brighton and Crystal Palace are among several Premier League clubs tracking Bayern Munich midfielder Arijon Ibrahimovic, 20, after the German caught the eye during a loan spell at Heidenheim, per Teamtalk.

Aston Villa have registered an interest in Denmark striker William Osula, 22, but Newcastle are refusing to entertain offers after Osula established himself in Eddie Howe's starting line-up, according to Football Insider.

Finally, Fenerbahce presidential candidate Hakan Safi is eyeing Marseille forward Mason Greenwood, 24, as part of an ambitious overhaul of the Turkish club, Goal reports.