The "turn up" thing doesn't sound too cryptic to me...sounds like he's going to be flying into Pittsburgh and will be "turning up" at a press conference at team headquarters to announce signing a new contract (no other teams can negotiate with him until free agency starts, but the Steelers can negotiate with their own free agents prior to the start of free agency, so what else could it possibly be?).

Well, maybe it could mean that he is changing his diet to include more of these, I suppose: