Fiorentina have just one defeat in their last 13 home games.
He said: “It is a very heated derby. Siena are one of the best sides in Serie A, who know how to play good football and put big clubs like Milan under pressure at San Siro.”
“We have a few fitness problems that need to be evaluated and we’ll see who can start on the day,” explained the Coach.
“Stevan Jovetic is in good shape, as is Daniel Osvaldo, but first of all we must see how Mutu is doing.
“Sergio Almiron has settled in quickly to the squad and our tactics, although he is still not 100 per cent. I expect him to put in a great performance this season.”