Originally Posted by 
Pelicanidae
				
			 
			What I mean by luck is that obviously the team's DRTG counts all shots, and that means that missed open-threes (we had a few of those tonight) count when he's on court when he obviously has nothing to do with those misses. Similarly, he shares a lot of time on the floor with Jrue, who is a very good defender, which helps. 
But yeah you are right, he's shown some really dramatic development on defense since Summer League and his learning curve has been quick as heck.