Juventus legend Gianluca Vialli expects Lazio to sell Sergej Milinkovic-Savic this summer.
The Serbia midfielder is interesting Manchester United, PSG and Juve this season - with Lazio rating him in the region of €100m.
Vialli believes Lazio will cash in at season's end.
He told Sky Italia: "Sergej is a huge player, he will join a top European club this summer and will allow Lazio to generate a lot of money.
"The only problem is whether he will be able to play in a two-man midfield, as most major European clubs do."