With longtime tandem John Paxson and Gar Forman expected to be reassigned from their respective roles as executive vice president of basketball operations and general manager, the Bulls, led by president and COO Michael Reinsdorf, have zeroed in on four preliminary executives across the league. Sources tell The Athletic they are Toronto GM Bobby Webster, Denver GM Arturas Karnisovas, Indiana GM Chad Buchanan and Miami vice president of player personnel and assistant general manager Adam Simon.