I think it would be tough ... a bit of a toss up with Drummond and Val imo ... PF's are so common, even very talented ones.
-Star PGs and Cs are what really get executives randy ... Since Drummond is publicly saying he'll go back to UCONN, i'd say the only competition for top spot (given his summer and season of success, matched with his skills and youth) would be Davis.

Has Davis proven as much as Val? I don't think so really ... playing against lesser competition, as part of an insanely gifted cast.
Does Davis have a higher ceiling than Val? In some areas of his game yes, but it's apples and oranges ...

He'd probably go #2, but my homer pride has me voting #1