Unfortunately, Green's defensive deficiencies have become even more pronounced as a senior. At 6'7, he is too small to guard elite post players, and lacks the lateral quickness to defend perimeter players, even face-up power forwards at the NCAA level. While his effort and aggressiveness will never be questioned, it is difficult to project him as an adequate NBA defender at this time.
From DraftExpress.com https://www.draftexpress.com#ixzz3P7isclxD
https://www.draftexpress.com
Now the top rated defender in the NBA. What?