Chelsea are offered the chance to sign Aston Villa’s Emiliano Martinez, Jarell Quansah to have Bayer Leverkusen medical and Liverpool close in on Marc Guehi.

Chelsea have been offered the chance to sign Aston Villa’s Emiliano Martinez for £45m, though the 32-year-old Argentina goalkeeper is believed to prefer a move to Manchester United. (Mirror), external

Manchester United are prepared to open formal talks over a deal to sign Martinez after they sell Cameroon keeper Andre Onana, 29. (Football Insider), external

Liverpool’s 22-year-old English defender Jarell Quansah will have a medical at Bayer Leverkusen on Monday before a £35m move to the German club. (Fabrizio Romano), external

Liverpool are closing in on a deal to sign Crystal Palace’s 24-year-old England centre-back Marc Guehi. (Mirror), external

Darwin Nunez is ready to join Napoli this summer but the Italian club are unwilling to met Liverpool’s £70m valuation of the 26-year-old Uruguay striker. (Mirror), external

Manchester United may have to pay players to leave the club this summer because of their lengthy, expensive contracts, with 27-year-old England striker Marcus Rashford and 20-year-old Argentina winger Alejandro Garnacho among those they want to sell. (Telegraph – subscription required), external

Sunderland have agreed a club-record £30m fee with Strasbourg for 21-year-old Senegal midfielder Habib Diarra. (Guardian), external

Nottingham Forest have made a £5m bid for Real Mallorca’s Spanish full-back Pablo Maffeo, 27. (El Chiringuito – in Spanish), external

Newcastle and Burnley are still far apart in their valuation of James Trafford, with the Magpies having had an initial bid worth £25m for the 22-year-old England Under-21s goalkeeper turned down. (Sky Sports), external

Crystal Palace are prepared to rival Newcastle, Liverpool and Tottenham with a move to sign Southampton’s 19-year-old English winger Tyler Dibling this summer. (Football Insider), external

Nico Williams has told Barcelona he wants to join them from Athletic Bilbao but the Spain winger, 22, has demanded that he is able to be registered to play, which could mean Barca have to sell players first, in order to meet La Liga’s financial requirements. (Marca – in Spanish), external

Al-Nassr have already reached an agreement to send Colombia striker Jhon Duran, 21, on loan to Fenerbahce. (Foot Mercato – in French), external