Rob should make a strong push for Herb Jones. They really need one big, athletic perimeter defender. His contract is incredibly reasonable and his three point shot has drastically improved.
I've been a Moussa Diabate fan since he was at Michigan. He is making absolute peanuts though. I doubt Charlotte would trade him unless they got a crazy offer.
If LeBron checks his ego and truly buys into winning with this group, he can fill a lot of holes. He has to be okay with playing less minutes to keep himself fresh and sacrifice his stats.