USA Today has an article on Derryck Thornton. His word: he wants to lock his man down first and doesn't want his guy to score a point. This is why I think he's Duke's best PG option and why K is all in.
http://usatodayhss.com/2015/derryck-thornton-jr-findlay-prep-derryck-thornton-findlay-pilots-derryck-thornton-duke-reclass-louisville-kentucky-arizona
http://usatodayhss.com/2015/derryck-thornton-jr-findlay-prep-derryck-thornton-findlay-pilots-derryck-thornton-duke-reclass-louisville-kentucky-arizona