| Celtics | 21 | 42 | 24 | 17 | 0 | 104 | Final |
| Heat | 12 | 27 | 22 | 23 | 0 | 84 | Box |
| Celtics dominate Game 3 | |||||||
| Auto Refresh: Off | 15 | 30 | Refresh | |||||||
| Preview | Recap | Boxscore | MatchUp |
| Tot. | Shtng | Pct. | Other |
| Celtics | FGM | FGA | FTM | FTA | TPM | TPA |
| Kristaps Porzingis | 5 | 9 | 5 | 6 | 3 | 5 |
| Derrick White | 7 | 14 | 0 | 0 | 2 | 7 |
| Jayson Tatum | 6 | 16 | 8 | 12 | 2 | 7 |
| Al Horford | 4 | 7 | 0 | 0 | 1 | 4 |
| Jrue Holiday | 1 | 5 | 0 | 0 | 1 | 3 |
| Payton Pritchard | 3 | 5 | 0 | 0 | 1 | 2 |
| Sam Hauser | 2 | 6 | 0 | 0 | 1 | 5 |
| Luke Kornet | 0 | 0 | 2 | 2 | 0 | 0 |
| Svi Mykhailiuk | 0 | 0 | 0 | 0 | 0 | 0 |
| Oshae Brissett | 0 | 0 | 0 | 0 | 0 | 0 |
| Jaylen Brown | 11 | 20 | 0 | 1 | 0 | 4 |
| Heat | FGM | FGA | FTM | FTA | TPM | TPA |
| Tyler Herro | 5 | 16 | 2 | 2 | 3 | 9 |
| Nikola Jovic | 5 | 11 | 2 | 3 | 3 | 5 |
| Patty Mills | 2 | 6 | 1 | 1 | 2 | 5 |
| Caleb Martin | 2 | 4 | 0 | 0 | 1 | 2 |
| Thomas Bryant | 1 | 1 | 0 | 0 | 0 | 0 |
| Orlando Robinson | 0 | 1 | 0 | 0 | 0 | 1 |
| Jaime Jaquez Jr. | 5 | 13 | 2 | 2 | 0 | 3 |
| Kevin Love | 0 | 0 | 0 | 0 | 0 | 0 |
| Bam Adebayo | 8 | 18 | 4 | 6 | 0 | 1 |
| Duncan Robinson | 0 | 0 | 0 | 0 | 0 | 0 |
| Team Totals | FGM | FGA | FTM | FTA | TPM | TPA |
| Celtics | 39 | 82 | 15 | 21 | 11 | 37 |
| Heat | 28 | 70 | 11 | 14 | 9 | 26 |
