Chicago has already solidified the starting five and cut their roster size down to 14 players. Somewhere between the two, there are the bench players that will serve a vital role to help steady the team when players like Dwyane Wade inevitably need rest and even full games off.
Michael Carter-Williams
It was kind of great that the Bulls acquired Carter-Williams. Great in the same way that the Milwaukee Bucks acquiring Tony Snell was great. Both players were likely done with their current teams after failing to lock down meaningful spots in their respective squads.