| Team | 1 | 2 | 3 | Total |
|---|---|---|---|---|
| BOS | 3 | 2 | 0 | 5 |
| BUF | 0 | 1 | 1 | 2 |
| Period | Time | Team | Scorer | Assists | Score |
|---|---|---|---|---|---|
| 1 | 3:01 | BOS | Danton Heinen | Charlie McAvoy, Matthew Poitras | 1-0 |
| 1 | 4:09 | BOS | David Pastrnak | Pavel Zacha, Charlie McAvoy | 2-0 |
| 1 | 15:14 | BOS | Brandon Carlo | David Pastrnak, Pavel Zacha | 3-0 |
| 2 | 4:07 | BOS | Oskar Steen | Jakub Lauko | 4-0 |
| 2 | 12:23 | BOS | Hampus Lindholm (PP) | David Pastrnak, Brad Marchand | 5-0 |
| 2 | 15:07 | BUF | Victor Olofsson | Owen Power, Dylan Cozens | 5-1 |
| 3 | 15:02 | BUF | Victor Olofsson | JJ Peterka, Casey Mittelstadt | 5-2 |
| Period | Time | Team | Player | Penalty | Minutes |
|---|---|---|---|---|---|
| 1 | 14:21 | BOS | Charlie McAvoy | Roughing | 2 |
| 1 | 14:21 | BUF | Dylan Cozens | Roughing | 2 |
| 2 | 6:01 | BOS | Matthew Poitras | Tripping | 2 |
| 2 | 10:38 | BUF | Casey Mittelstadt | High-Sticking | 2 |
| 2 | 17:27 | BUF | Erik Johnson | Hooking | 2 |
| 3 | 7:48 | BUF | Ukko-Pekka Luukkonen | Tripping | 2 |
| 3 | 18:34 | BOS | Matthew Poitras | Tripping | 2 |
| Goalie | Team | Saves | Shots | Save % | TOI |
|---|---|---|---|---|---|
| Linus Ullmark | BOS | 32 | 34 | 94.1% | 59:21 |
| Ukko-Pekka Luukkonen | BUF | 14 | 14 | 100.0% | 22:42 |
| Devon Levi | BUF | 13 | 18 | 72.2% | 35:07 |