Massimo Ambrosini has not recovered in time to face Napoli tomorrow night, while Mario Balotelli begins his three-match ban.
Milan welcome second-placed Napoli to San Siro on Sunday evening at 19.45 UK time (18.45 GMT), click here for a match preview.
Captain Ambrosini misses out yet again, as he did not take part in the full training session today.
Balotelli begins his three-match ban for a combination of yellow cards and insulting the officials.
Milan squad for Napoli: Abbiati, Amelia, Gabriel, Abate, Antonini, Bonera, De Sciglio, Mexes, Salamon, Yepes, Zaccardo, Zapata, Boateng, Constant, Flamini, Montolivo, Muntari, Nocerino, Bojan, El Shaarawy, Niang, Pazzini, Robinho.