| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2008-2009 | Colorado Thunderbirds | QC Int PW | 4 | 1 | 1 | 2 | 2 | | | ||||||
| 2010-2011 | Colorado Thunderbirds 14U AAA | 14U AAA | 29 | 13 | 9 | 22 | 12 | | | ||||||
| 2011-2012 | Colorado Thunderbirds 16U AAA | T1EHL 16U | 40 | 6 | 11 | 17 | 20 | | | ||||||
| 2012-2013 | Colorado Thunderbirds 16U AAA | T1EHL 16U | 41 | 10 | 37 | 47 | 58 | | | Playoffs | 4 | 1 | 2 | 3 | 6 |
| Tri-City Americans | WHL | 0 | 0 | 0 | 0 | 0 | | | Playoffs | 5 | 1 | 0 | 1 | 0 | |
| 2013-2014 | Tri-City Americans | WHL | 71 | 3 | 10 | 13 | 66 | | | Playoffs | 5 | 0 | 1 | 1 | 8 |
| USA U18 | Hlinka Gretzky Cup | 5 | 0 | 0 | 0 | 2 | | | |||||||
| 2014-2015 | Tri-City Americans | WHL | 63 | 4 | 21 | 25 | 90 | | | Playoffs | 4 | 0 | 1 | 1 | 4 |
| USA U20 | WJC-20 | 5 | 0 | 1 | 1 | 0 | | | |||||||
| 2015-2016 | Tri-City Americans | WHL | 52 | 5 | 22 | 27 | 94 | | | ||||||
| Providence Bruins | AHL | 7 | 0 | 1 | 1 | 0 | | | Playoffs | 1 | 0 | 0 | 0 | 0 | |
| USA U20 | WJC-20 | 7 | 2 | 2 | 4 | 4 | | | |||||||
| 2016-2017 | Boston Bruins | NHL | 82 | 6 | 10 | 16 | 59 | | | ||||||
| 2017-2018 | Boston Bruins | NHL | 76 | 0 | 6 | 6 | 45 | | | ||||||
| 2018-2019 | Boston Bruins | NHL | 72 | 2 | 8 | 10 | 47 | | | Playoffs | 24 | 2 | 2 | 4 | 6 |
| 2019-2020 | Boston Bruins | NHL | 67 | 4 | 15 | 19 | 33 | | | Playoffs | 13 | 0 | 1 | 1 | 8 |
| 2020-2021 | Boston Bruins | NHL | 27 | 3 | 1 | 4 | 12 | | | Playoffs | 8 | 0 | 0 | 0 | 4 |
| 2021-2022 | Boston Bruins | NHL | 79 | 6 | 9 | 15 | 31 | | | Playoffs | 7 | 0 | 1 | 1 | 6 |
| 2022-2023 | Boston Bruins | NHL | 75 | 3 | 13 | 16 | 38 | | | Playoffs | 7 | 0 | 4 | 4 | 4 |
| 2023-2024 | Boston Bruins | NHL | 76 | 4 | 10 | 14 | 42 | | | Playoffs | 13 | 3 | 1 | 4 | 6 |
| 2024-2025 | Boston Bruins | NHL | 22 | 1 | 2 | 3 | 6 | | |