On NBA Today, Shams Charania, Tim MacMahon, Chiney Ogwumike and Brian Windhorst react to the Dallas Mavericks deciding to fire GM Nico Harrison. 0:00 Shams on Mavs firing Nico Harrison 3:53 Reaction to the news 8:09 Joel Embiid out vs. Celtics ✔️ Subscribe to ESPN+ http://espnplus.com/youtube ✔️ Get the ESPN App: http://www.espn.com/espn/apps/espn ✔️ Subscribe to ESPN on YouTube: http://es.pn/SUBSCRIBEtoYOUTUBE ✔️ Subscribe to NBA on ESPN on YouTube: http://bit.ly/SUBSCRIBEtoNBAonESPN ✔️ Watch ESPN on YouTube TV: http://es.pn/YouTubeTV #ESPN