2:00 Now Playing Celtics dominate Heat in Game 3 Relive all the action from Game 3 of the Eastern Conference Finals.

0:56 Now Playing Top 5 | Sept. 19 Check out the top plays from Saturday night.

0:38 Now Playing The Fast Break | Sept. 19 Catch up on all the action from Saturday night.

1:56 Now Playing Nightly Notable | Jayson Tatum: Sept. 19 Jayson Tatum scored 25 points and grabbed 14 rebounds in the Celtics victory over the Heat.

0:56 Now Playing Top 5 | Sept. 19 Check out the top plays from Saturday night.

2:51 Now Playing Brad Stevens: 'Our whole team was aggressive' Brad Stevens, Jaylen Brown, and Jayson Tatum discuss their connection and taking game 3 in the eastern finals.

2:25 Now Playing Jayson Tatum joins Gametime The Celtics' Jayson Tatum joins GameTime after a 25-point performance in a Game 3 win for Boston.

3:23 Now Playing Jimmy Butler: 'We didn't play hard enough' Bam Adebayo, Jimmy Butler, and Erik Spoelstra discuss the slow start and losing game 3 against Boston.

1:52 Now Playing Looking ahead to Miami-Boston game 4 NBA TV's Sam Mitchel and Caron Butler discuss how the four-day gap will affect momentum for the Heat and Celti ...

2:00 Now Playing Ultimate Highlight: Celtics respond in Game 3 Relive all the action from Game 3 of the Eastern Conference Finals.

2:43 Now Playing GAME RECAP: Celtics 117, Heat 106 Jayson Tatum and Jaylen Brown combine for 51 points and 21 rebounds in Boston's Game 3 win against Miami.