Milan take on the South American Champions in November.
Inzaghi called on the fans to be the team's 12th man against Fiorentina.
Milan are out to end 3 straight defeats at home to Fiorentina.
President Silvio Berlusconi made his ninth visit of the season to Milanello.
The squad focused on tactics ahead of Sunday’s match with Fiorentina.
Come to the San Siro for Milan-Fiorentina and share your experience with the hashtag #tuttolostadio