Alessandro Matri and Valter Birsa are already in the Milan squad to face Cagliari tomorrow evening.
Matri arrived from Juventus on Thursday and is given the Number 9 jersey.
Birsa only completed his transfer this evening, coming from Genoa in a straight swap with Luca Antonini.
The midfielder will wear jersey 14.
Milan squad for Cagliari: Abbiati, Amelia, Coppola, Abate, Constant, Mexes, Silvestre, Zaccardo, Zapata, Birsa, Cristante, De Jong, Emanuelson, Montolivo, Muntari, Nocerino, Poli, Balotelli, El Shaarawy, Matri, Niang, Robinho