The Australian is continuing his recovery from a broken metatarsal and joins promising young striker James Vaughan as a long-term absentee.
Spanish playmaker Mikel Arteta has provided better news for manager David Moyes, however, after resuming full training after stomach surgery.
Copyright (c) PA Sport 2008, All Rights Reserved.
Do YOU want to write for GiveMeSport? Get started today by signing-up and submitting an article HERE: https://www.givemesport.com/writeforgms