| Position | D |
| Birth city | Long Beach, New York, USA |
| Birth date | 1997-12-21 (28) |
| Height | 6'1'' |
| weight (lb) | 215 |
| Drafted | pick 14 round 1 by BOS in 2016 |
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2017-18 | NHL | Boston Bruins | 63 | 7 | 25 | 32 | 20 | 53 |
| 2018-19 | NHL | Boston Bruins | 54 | 7 | 21 | 28 | 14 | 45 |
| 2019-20 | NHL | Boston Bruins | 67 | 5 | 27 | 32 | 24 | 41 |
| 2020-21 | NHL | Boston Bruins | 51 | 5 | 25 | 30 | 22 | 38 |
| 2021-22 | NHL | Boston Bruins | 78 | 10 | 46 | 56 | 31 | 66 |
| 2022-23 | NHL | Boston Bruins | 67 | 7 | 45 | 52 | 29 | 54 |
| 2023-24 | NHL | Boston Bruins | 74 | 12 | 35 | 47 | 4 | 86 |
| 2024-25 | NHL | Boston Bruins | 50 | 7 | 16 | 23 | 0 | 46 |
| 2025-26 | NHL | Boston Bruins | 69 | 11 | 50 | 61 | 13 | 62 |
| NHL Total | 573 | 71 | 290 | 361 | 157 | 491 | ||
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2016-17 | NHL | Boston Bruins | 6 | 0 | 3 | 3 | -2 | 2 |
| 2017-18 | NHL | Boston Bruins | 12 | 1 | 4 | 5 | 2 | 6 |
| 2018-19 | NHL | Boston Bruins | 23 | 2 | 6 | 8 | 4 | 16 |
| 2019-20 | NHL | Boston Bruins | 13 | 1 | 3 | 4 | -6 | 24 |
| 2020-21 | NHL | Boston Bruins | 11 | 1 | 11 | 12 | 2 | 4 |
| 2021-22 | NHL | Boston Bruins | 6 | 0 | 5 | 5 | 2 | 4 |
| 2022-23 | NHL | Boston Bruins | 7 | 0 | 5 | 5 | -3 | 8 |
| 2023-24 | NHL | Boston Bruins | 13 | 1 | 5 | 6 | -4 | 20 |
| 2025-26 | NHL | Boston Bruins | 6 | 0 | 2 | 2 | -6 | 19 |
| NHL Total | 97 | 6 | 44 | 50 | -11 | 103 | ||