The Rossoneri goalkeeper suffered the injury just 13 minutes into the 5-1 win away to Siena on Sunday.
Abbiati picked up the injury during an collision with teammate Giuseppe Favalli.
The Rossoneri goalkeeper suffered the injury just 13 minutes into the 5-1 win away to Siena on Sunday.
Abbiati picked up the injury during an collision with teammate Giuseppe Favalli.
