Sporting CP have accepted this summer will be the time to sell Ousmane Diomande.
A Bola says Sporting are preparing the sale of the Ivorian at the end of the season.
Chelsea, Newcastle, Manchester City, Arsenal, Liverpool, Bayern Munich and Juventus are all scouting Diomande this season.
Sporting are counting on selling the youngster for his buyout clause - which is set at €80m.
The centre-back's contract with the Portuguese giants runs until the summer of 2027.