As reported by La Gazzetta dello Sport, (relayed via FCInterNews) AC Milan could do some shopping in the Serie B to reinforce their defensive department.

The Rossoneri always show interest in young profiles. The club, under the guidance and policy of RedBird, focus on the next generation already and that is proven by their investment and commitment with Milan Futuro.
AC Milan set sights on a young Serie B gem?
According to the newspaper, AC Milan, Inter, and Juventus are all showing interest in Spezia's centre-back, Nicolo Bertola. They have, in fact, asked for information regarding his situation.
The 21-year-old player has been a great asset for his club. As for his contract, it expires at the end of the current season.
The AC Milan club management are really keen, but it remains to be seen if a move in January will be successful. Inter and Juventus are also keen.
The right-footed Italian central defender who stands at 192 centimetres tall has made 9 appearances between Serie B and Coppa Italia. He also has two goals registered to his name in the league. He has played a total of 810 minutes so far this season.
