Gary Williams also has a relatively new girl whom he calls his "fiance." He's in for some real changes. He had no advance notice that he was losing his center, and apparently was busted up about that.
Mike Brey, I think, should stay happy as a clam where he is. Why move to a much more fickle fan base?
Al Skinner comes to mind as a short term fill in, at least, if Lonergan does not make the cut. And Jimmy Patsos, of course.