There is no guarantee next year will be any better.
Last year, Barkley was being talked about as a potential top 10 pick. Now look at him.
Bridgewater could throw 16 INTs this year, Manziel could have a soph slump... or get broken in half. There are no Andrew Lucks in that class.
It's impossible for me to decide which one of 2013 QBs will turn into a solid professional, but the odds are at least one of them will.
I agree at least one probably will ... and what I think will determine that is more the team that does the drafting than the player himself. A team that has a good set of coaches and the ability to bring the guy on slowly will do better than the (desperate) team that picks the same guy and tries to start him Day 1.
It's why I think that teams who get good reputations for their drafting should actually be applauded more for their player development.