Milan midfielder Pirlo out for a month

AC Milan midfielder Andrea Pirlo will be out of action for a

month after injuring his thigh in the 1-0 loss to Roma on

Saturday.

The 31-year-old Pirlo was substituted on 22 minutes and was

examined on Sunday when a right thigh muscle strain was revealed,

ANSA news agency reports.

Milan leads the Italian league with 36 points. Its next match is

away to Cagliari on January 8 after the winter break.