Rose was top class for about a season and a half (the two seasons he was on the PFA team of the year). A season or two before that people here were mightily frustrated with him and he hasnt fully regained his form since his injury.
not only that, but if they honored their contract he'd be 33 when it expires and they couldnt expect to get a big transfer fee. I can see them buying out his contract at a discount and letting him go to be free of him because they are in such a weak position. At least thats what Im hoping for.