The 34-year-old former Manchester City and Preston player fell awkwardly and twisted the joint, fracturing the fibula in his right ankle.
Frank Barlow, who is the Latics caretaker manager after Chris Hutchings´ sacking on Monday said: "It´s a blow for Carlo who is a top pro and a great person to have at the club."
Copyright (c) PA Sport 2007, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: http://gms.to/writeforgms