McDermott yesterday refused to guarantee his future at the club. He is yet to speak to the midfielder and said he will not be arranging a meeting with the player - it is up to Guthrie to approach him.
The 51-year-old said: "I'm sure he'll want to talk to me but we'll see. I've got 20-odd players in the squad and I'm focussed on them and the game we've got coming up [against Arsenal].
"I don't think anything in football is untenable, there's always a way back, and the way back for him would be to train to the best of his ability, get himself in the team, play well, win games and then the fans can forgive an awful lot."