Statistics
Regular Season Stats
| 2008-09 | QC Int PW | Colorado Thunderbirds | 4 | 1 | 1 | 2 | - | - | - | 2 |
| 2010-11 | 14U AAA | Colorado Thunderbirds 14U AAA | 29 | 13 | 9 | 22 | - | - | - | 12 |
| 2011-12 | T1EHL | Col. T-birds U16 | 40 | 6 | 11 | 17 | - | - | - | 20 |
| 2012-13 | T1EHL | Col. T-birds U16 | 41 | 10 | 37 | 47 | - | - | - | 58 |
| 2013-14 | WHL | Tri-City | 71 | 3 | 10 | 13 | -13 | - | - | 66 |
| 2014-15 | WHL | Tri-City | 63 | 4 | 21 | 25 | -15 | - | - | 90 |
| 2015-16 | WHL | Tri-City | 52 | 4 | 23 | 27 | 8 | - | - | 94 |
| 2015-16 | AHL | Providence | 7 | 0 | 1 | 1 | 3 | 5 | 0.0% | 0 |
| 2015-16 | WHL | Tri-City Americans | 52 | 5 | 22 | 27 | 8 | - | - | 94 |
| 2016-17 | NHL | Boston Bruins | 82 | 6 | 10 | 16 | 9 | 88 | 6.8% | 59 |
| 2017-18 | NHL | Boston Bruins | 76 | 0 | 6 | 6 | 10 | 76 | 0.0% | 45 |
| 2018-19 | NHL | Boston Bruins | 72 | 2 | 8 | 10 | 22 | 116 | 1.7% | 47 |
| 2019-20 | NHL | Boston Bruins | 67 | 4 | 15 | 19 | 16 | 111 | 3.6% | 33 |
| 2020-21 | NHL | Boston Bruins | 27 | 3 | 1 | 4 | 1 | 43 | 7.0% | 12 |
| 2021-22 | NHL | Boston Bruins | 79 | 6 | 9 | 15 | 2 | 125 | 4.8% | 31 |
| 2022-23 | NHL | Boston Bruins | 75 | 3 | 13 | 16 | 44 | 94 | 3.2% | 38 |
| 2023-24 | NHL | Boston Bruins | 76 | 4 | 10 | 14 | 23 | 79 | 5.1% | 42 |
| 2024-25 | NHL | Boston Bruins | 63 | 1 | 8 | 9 | 2 | 64 | 1.6% | 24 |
| 2024-25 | NHL | Toronto Maple Leafs | 20 | 0 | 3 | 3 | 4 | 13 | 0.0% | 13 |
| 2025-26 | NHL | Toronto Maple Leafs | 21 | 0 | 3 | 3 | 6 | 25 | 0.0% | 6 |
| NHL Totals | – | 658 | 29 | 86 | 115 | 139 | 834 | 3.5% | 350 | |
| AHL Totals | – | 7 | 0 | 1 | 1 | 3 | 5 | 0.0% | 0 | |
| Juniors Totals | – | 238 | 16 | 76 | 92 | -12 | - | - | 344 | |
Playoff Stats
| 2012-13 | T1EHL | Col. T-birds U16 | 4 | 1 | 2 | 3 | - | - | - | 6 |
| 2012-13 | WHL | Tri-City | 5 | 1 | 0 | 1 | - | - | - | 8 |
| 2013-14 | WHL | Tri-City | 5 | 0 | 1 | 1 | -1 | - | - | 8 |
| 2014-15 | WHL | Tri-City | 4 | 0 | 1 | 1 | -1 | - | - | 4 |
| 2015-16 | AHL | Providence | 1 | 0 | 0 | 0 | 0 | 0 | 0.0% | 0 |
| 2018-19 | NHL | Boston Bruins | 24 | 2 | 2 | 4 | 10 | 32 | 6.3% | 6 |
| 2019-20 | NHL | Boston Bruins | 13 | 0 | 1 | 1 | 0 | 16 | 0.0% | 8 |
| 2020-21 | NHL | Boston Bruins | 8 | 0 | 0 | 0 | 0 | 10 | 0.0% | 4 |
| 2021-22 | NHL | Boston Bruins | 7 | 0 | 1 | 1 | -5 | 4 | 0.0% | 6 |
| 2022-23 | NHL | Boston Bruins | 7 | 0 | 4 | 4 | 2 | 16 | 0.0% | 4 |
| 2023-24 | NHL | Boston Bruins | 13 | 3 | 1 | 4 | 4 | 20 | 15.0% | 6 |
| 2024-25 | NHL | Toronto Maple Leafs | 13 | 0 | 0 | 0 | -4 | 14 | 0.0% | 8 |
| NHL Totals | – | 85 | 5 | 9 | 14 | 7 | 112 | 4.5% | 42 | |
| AHL Totals | – | 1 | 0 | 0 | 0 | 0 | 0 | - | 0 | |
| Juniors Totals | – | 14 | 1 | 2 | 3 | -2 | - | - | 20 | |
Last 5 Games
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs VAN | Jan 10 | 0 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 31 | 20:35 |
| Regular | @ PHI | Jan 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 31 | 18:52 |
| Regular | vs FLA | Jan 6 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 32 | 17:41 |
| Regular | vs LAK | Nov 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 25 | 19:44 |
| Regular | @ BOS | Nov 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 25 | 20:48 |