Fiorentina director Franco Zeffirelli was delighted with Stevan Jovetic's performance in their victory over Liverpool this week.
Asked about comparisons between Jovetic and Roberto Baggio, Zeffirelli said: "Every player is equal to himself, but Fiorentina often has the fortune of buying young talent which becomes a champion.
"I think of Baggio, but also Batistuta. Jovetic must still grow but he must be defended, although it will be difficult to keep him.
"We'll have to ask the Mayor to ban his sale!"