January 22, 2021 11:10 pm Lack of defensive effort costs Celtics in both losses to 76ers Chris Mannix and Brad Stevens both emphasize how the Celtics didn’t bring enough energy on the defensive side of the ball vs. the 76ers. Celtics Videos 0:51 Jayson Tatum: ‘Lazy to say teams can out-tough us' 3:20 EXCLUSIVE: Sam Hauser on closing out Heat in Game 5 at home 2:58 Highlights from Mike Gorman's final game as Celtics broadcaster 3:41 HIGHLIGHTS: Celtics breeze past Heat, advance to Conference Semifinals 1:08 EXCLUSIVE: Jaylen Brown reacts to series win over the Heat
