How about Andy Dalton the year before?
Dalton was a freaking steal. Actually, only one I saw rate Dalton high was on Gruden's QB camp, he rated Dalton really high because he could diagram every play on a board that Gruden called out. I saw that before Dalton ever played his rookie year and I was amazed.
Just saw his camp on Andrew Luck and that dude is smart--he diagrammed every single play Gruden called out on a blackboard and not only that he put 1's, 2's, 3's etc for the reads and which ones were difficult passes and options. Luck impressed me more on that show than anyone ever.