The guy I have seen in the 15-20 range for some reason (I guess age) lately is Yaxel Lendebourg. If he falls out of the lottery that is who to move up for if possible. Immediate contributor, and a future Al Horford at both ends
He plays more like a wing than a Center
I see your point. I guess I would say he is a versatile PF, as with his length (7?4? wingspan, 9 ft standing reach) and strength, he can rotate down to the 5 defensively, but offensively is more of a wing. At Michigan he did not need to play center much at all with Mara and Morez Johnson both present, but prior to Michigan he did play center some. With Boston, Horford was often the 4 in a two-big lineup, and I guess that is the version of Horford I was referring to ? a big who took threes and created for his teammates off the pass, while occasionally taking it inside off the dribble.