AC Milan and Fiorentina are quite strong teams but I am sure that AC Milan will fight with all their might to win. Currently AC Milan is in second place on the standings so it is impossible for them to miss the opportunity to get additional points in the match against Fiorentina. As you said, Juventus is currently also in third place with a very narrow point difference with AC Milan, therefore this time AC Milan must continue to try to win.
This game is going to be a very though game for Ac Milan knowing how Fiorentina play this season. If Fiorentina can't get a win is better to end it in a draw and I like their fighting spirit. No doubt Ac Milan have the wingers who makes life hard for defenders and a strong attacker but I assure you that they can't do better in this encounter.
Fiorentina have an outstanding game at hand with 43pt if they get a win against Ac Milan (which will happen) it will make them top Napoli, with how we see the current champions Napoli struggle to get a win is something to consider in their next game against Atalanta, the question is can they (Napoli) win to continue pushing forward? In this week's fixtures I believe that Ac Milan will lose to Fiorentina and Juventus will some how lose or draw their game against Lazio (is definitely going to be a hard game for the Old Ladies), let the table change hands a little bit.