Milan, Sep 15: AC Milan captain Massimo Ambrosini will be out for up to a month with a right shoulder injury.
Ambrosini was injured during Milan's 2-2 draw at Barcelona in the Champions League on Tuesday.
Another midfielder, Kevin-Prince Boateng, had medical tests Wednesday that revealed no damage to his ribs, but he will undergo more tests Thursday to determine the source of his muscle pain.
The Italian champion visits Napoli in Serie A on Sunday. Milan's next Champions League match is at Czech side Viktoria Plzen on Sept. 28. AP
