Alessandro Nesta has been handed a two-match ban, so he’ll miss Milan’s crunch games with Cagliari and Juventus.
The defender was sent off for dissent in the final minutes of Sunday’s 2-1 home defeat to Atalanta.
The Disciplinary Commission received the report from the referee and has judged his comments worthy of a two-match ban.
As the Rossoneri are already without the injured Marcos Cafu, Marek Jankulovski and Serginho, this leaves Carlo Ancelotti with limited options at the back.
Cagliari Coach Davide Ballardini will also be in the stands for the Milan tie due to a touchline ban.
The players suspended for one match are Manuele Blasi (Napoli), Paul Codrea (Siena), Mario Frick (Siena), Ousmane Dabo (Lazio), Vincenzo Grella (Torino), Giuseppe Mascara (Catania) and David Pizarro (Roma