The Phoenix Suns lost another great assistant coach as Jarrett Jack is leaving to join Monty Williams for the Pistons coaching staff according to NBA Insider Adrian Wojnarowski. Monty Williams has hired Jarrett Jack as an assistant coach on his Detroit Pistons staff, sources tell ESPN. Jack established himself as a fast-rising future head coaching … Continue reading Jarrett Jack Leaves Suns, Joins Monty Williams on Pistons Coaching Staff