But make no mistake, Isaac’s defense made a significant impression on many league insiders. “Before he got hurt, I thought he was the best defensive player in the league,” one NBA scout told The Athletic. “His ability to defend multiple positions, his size, his length, quickness, understanding of what was going on and how to guard people, recovery, instincts — I think he has a potential to be a premier defensive player in the league. I just think the sky’s the limit for him.”