Defensively, N/A. Maybe a 1B/DH who can fill in at catcher a few times a month at most, barring major improvements.
Offensively, this is probably mostly legit. I was a big fan of his last year, as a .373 OBP from the catcher position is actually elite. But if he moves off catcher, the value goes down. However, since his power has gone up, I do think he could actually be a viable 1B/DH platoon guy down the road. Maybe he's a trade chip.