The 22-year-old Ivorian defender, who dreams of playing in England, has attracted interest from multiple Premier League clubs including Arsenal, Chelsea, Newcastle United, and Crystal Palace. Sporting would be open to negotiating a package below his buy-out clause during the next transfer window.
Diomande would require guaranteed playing time at Stamford Bridge, with Chelsea having multiple options in central defense this season. The defender has impressed with 94% pass accuracy in the Primeira Liga, averaging 3.6 long balls per appearance.