And Ibra's agent, Mino Raiola, has Milan directors concerned that a deal could be on for the super Swede.
Speaking with Corriere dello Sport, Raiola declared: "If we receive a major proposal, something could happen ...
"But I think Zlatan will only leave if Milan wants to sell him.
"For me, Ibrahimovic is the best in the world and therefore is worth the same as Cristiano Ronaldo: €150 million.
"Ibra said that Milan will be his last club, but I don't think it will."