Illinois standout freshman Keaton Wagler was a lot of things in his lone collegiate season (a knockdown shooter, excellent playmaker and master of pace, to name a few) but athletic he was not. Naturally, as a high-major player, Wagler is indisputably “athletic”, but relative to his peers, he has never stood out in that realm.  Laterally, he isn’t slow-footed, but he does leave a bit to be desired. And his first step on offense is by no means lightning-quick. Vertical explosion remains the biggest concern, though. Listed at 6-foot-6, Wagler finished the season with a donut in terms of dunks.  But scouts have remained very willing to look past zero dunks and an all-around lack of explosiveness. One of the main reasons: Wagler has positional size and excellent length – or so went the general consensus. Illinois' Keaton Wagler official NBA Draft Combine measurements UConn Huskies guard Silas Demary Jr.…