The crazy hops in the video above belong to Grayson Allen, a highly-touted shooting guard who's headed to Duke. Allen was competing in the slam dunk contest at the 16-team Beach Ball Classic tournament in Myrtle Beach, and it appears as though he'll be part of the trend of Coach K fielding increasingly athletic squads. That's bad news.
Here's another angle of the throwdown:
[youtube http://www.youtube.com/watch?v=Vz31oOYom0Q] [Bob's Blitz]