But his performances and the attitude he has shown on the sidelines have convinced McCarthy to begin talks on an extension to his contract which currently expires in 2010.
"We are going to extend George's contract and it will get sorted out," he told the club's official website.
"George will be back -he's the most positive person I've ever seen after the injury he has had.
"It would be just reward for what he did when he came in as well as encouraging him to do better and get back in the side it may help.
"He has been brilliant around the place, he's an incredible personality."