So far Tennyson has done a lot to cement my position that one of Braun, Irwin, or Demers must be traded
Even if he did, it wouldn't be one of Braun, Irwin, or Demers first. It would be Boyle. However, it's only been a single game and he needs to be better than what he was in that game because he had his share of mistakes. That's fine, of course, he is a rookie. But they'll need more than this to believe that they should move anyone.