So Tyler Bozak is better than Nathan Mackinnon? He is more proven in the bigs.
Its pretty much the same comparison. TDA has the potential to be one of the best catchers in the game and if JPA can improve he has the potential to be average.
JPA seems like a really cool guy, and good in the clubhouse but he is below average defensively and below average offensively.
His power and personality blind people to how mediocre he really is.
Although I agree with your concept, it's very hard to compare hockey and baseball when it comes to prospects and development.
Plus, you're getting the CY Young award winner, not a Tyler Bozak-esque player.