Dikembe Mutombo looks SO happy to learn about his jersey retirement (video) By Dan FeldmanSep 2, 2015, 11:33 AM EDT Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Flipboard (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window) 9 Comments .@officialmutombo's reaction to yesterday's announcement was priceless. #TrueToAtlanta https://t.co/wLBehhAqVx — Atlanta Hawks (@ATLHawks) September 2, 2015 The Hawks will retire Dikembe Mutombo’s No. 55. How did he take the news? With a contagious smile that spreads through the screen.