The 26-year-old could barely take part in the last training session with his teammates, having spent most of the time training separately in the gym, which raised questions about his availability.

Coach Carlo Ancelotti would face a serious dilemma if the international ace was proven injured ahead of the Old Lady's clash.

The Rosseneri's Gennaro Gattuso has been already ruled out of the game through a keen problem, which limits Ancelotti's midfield options.

Kaka, who's nominated for the FIFA World Player of the Year award, hasn't been declared injured so far, and the club is expected to reveal his condition soon.

Milan lie third in the Italian League table with 30 points, and a win over Claudio Ranieri's men would earn them the second place.