>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)

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

>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)

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

>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)

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)

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

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