I remember Stockton early at GU as a walk-on. He didn't exactly look like a college basketball player let alone D-1. Even his shot was awkward. There was something about him though. I think it was he never seemed to make a bad decision. I never would have predicted an NBA contract though.
http://www.spokesman.com/stories/2018/apr/06/jazz-sign-former-gonzaga-guard-david-stockton-for-/
http://www.spokesman.com/stories/2018/apr/06/jazz-sign-former-gonzaga-guard-david-stockton-for-/