And Murphy, 27, said: "I want to stay but I've no idea what price they will put on my head."
It will take more than the tongue-lashing dished out by boss Roy Keane in midweek to deter him.
Murphy said: "The gaffer was right to have a go at us. We didn't perform at Watford and too many of us didn't turn up.
"But we responded today by picking up three points."