Celtics Highlights September 18, 2020 11:44 am Jaylen Brown extends Celtics' lead with a bucket in Game 2 Jaylen Brown sinks a two-point shot in the second quarter of Game 2 vs. the Heat. Celtics Videos 1:42 Kristaps Porzingis on his progress and timeline for injury 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