​Michael Scotto: Sources: The Chicago Bulls will add Rex Kalamian, Jonah Herscu, and Blake Ahearn as assistant coaches. Kalamian was an assistant coach for the Bucks, Pistons, Kings, Clippers, Raptors, Thunder, Timberwolves, and Nuggets. Herscu was Portland’s G League head coach and assistant coach for the Blazers and Kings. Ahearn was a Grizzlies assistant coach and San Antonio’s G League head coach.x.com