DIGITAL VIDEO March 13, 2022 7:27 pm Kevin Garnett's emotional speech during number retirement Kevin Garnett thanks the the Boston fans at TD Garden during his number retirement ceremony Celtics Videos 0:37 Joe Mazzulla: ‘Process of winning' remains the same from regular season to playoffs 0:39 Al Horford: Closing out Heat in Game 5 ‘shows growth' for Celtics 2:35 Celtics earn dominant series win over Heat 4:35 Mazzulla – Part Two: Sacrifices and Mindset 0:51 Jayson Tatum: ‘Lazy to say teams can out-tough us'