Bulls Insider K.C. Johnson K.C. Johnson is the Bulls Insider for NBC Sports Chicago. An Evanston, Ill., native, Johnson spent 29 years at the Chicago Tribune, covering two Olympic Games and 20 Bulls' seasons. Presented by Nationwide Insurance Agent Jeff Vukovich kcjhoop Bulls Insider Justin Lewis suffers potentially serious knee injury NBA, NBPA to retire Bill Russell's No. 6 across league Former Bulls' staffer Hickombottom chases new dream TWITTER kcjhoop