

| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2011-12 | BCHL | Penticton | 51 | 24 | 59 | 83 | 42 | 0 | 15 | 1 | 8 | 9 | 10 | 0 |
| 2012-13 | WCHA | U. of Minnesota | 37 | 3 | 11 | 14 | 14 | 0 | -- | -- | -- | -- | -- | -- |
| 2013-14 | Big Ten | U. of Minnesota | 41 | 9 | 24 | 33 | 18 | 0 | -- | -- | -- | -- | -- | -- |
| 2014-15 | Big Ten | U. of Minnesota | 39 | 6 | 36 | 42 | 44 | 0 | -- | -- | -- | -- | -- | -- |
| 2015-16 | AHL | Iowa Wild | 45 | 5 | 18 | 23 | 10 | -27 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | Minnesota Wild | 29 | 1 | 6 | 7 | 8 | -4 | -- | -- | -- | -- | -- | -- |
| 2016-17 | AHL | Iowa Wild | 57 | 5 | 25 | 30 | 48 | 4 | -- | -- | -- | -- | -- | -- |
| 2016-17 | NHL | Minnesota Wild | 17 | 1 | 0 | 1 | 2 | 1 | -- | -- | -- | -- | -- | -- |
| 2017-18 | AHL | Iowa Wild | 1 | 1 | 0 | 1 | 2 | -1 | -- | -- | -- | -- | -- | -- |
| 2017-18 | NHL | Minnesota Wild | 38 | 2 | 8 | 10 | 18 | -6 | -- | -- | -- | -- | -- | -- |
| 2017-18 | NHL | Montréal Canadiens | 19 | 0 | 8 | 8 | 8 | 1 | -- | -- | -- | -- | -- | -- |
| 2018-19 | NHL | Montréal Canadiens | 57 | 3 | 8 | 11 | 16 | 0 | -- | -- | -- | -- | -- | -- |
| 2019-20 | NHL | Montréal Canadiens | 14 | 0 | 4 | 4 | 6 | 2 | -- | -- | -- | -- | -- | -- |
| 2019-20 | NHL | Ottawa Senators | 30 | 1 | 11 | 12 | 18 | -8 | -- | -- | -- | -- | -- | -- |
| 2020-21 | NHL | Ottawa Senators | 40 | 0 | 19 | 19 | 18 | -2 | -- | -- | -- | -- | -- | -- |
| 2020-21 | NHL | Boston Bruins | 15 | 0 | 8 | 8 | 4 | 7 | 11 | 0 | 4 | 4 | 8 | 3 |
| 2021-22 | NHL | Boston Bruins | 70 | 4 | 13 | 17 | 32 | -1 | 5 | 0 | 0 | 0 | 2 | 1 |
| 2022-23 | AHL | Providence Bruins | 36 | 7 | 19 | 26 | 34 | 3 | 1 | 0 | 0 | 0 | 0 | -1 |
| 2022-23 | NHL | Boston Bruins | 10 | 0 | 1 | 1 | 2 | 0 | -- | -- | -- | -- | -- | -- |
| 2023-24 | NHL | Florida Panthers | 2 | 0 | 0 | 0 | 2 | -2 | -- | -- | -- | -- | -- | -- |
| 2023-24 | NHL | New York Islanders | 59 | 6 | 18 | 24 | 28 | 1 | 5 | 1 | 1 | 2 | 0 | -3 |
| 2024-25 | NHL | New York Islanders | 18 | 0 | 2 | 2 | 2 | -3 | -- | -- | -- | -- | -- | -- |
| 2025-26 | NHL | Carolina Hurricanes | 33 | 1 | 8 | 9 | 18 | 13 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 451 | 19 | 114 | 133 | 182 | -1 | 21 | 1 | 5 | 6 | 10 | 1 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2013 | World Junior U-20 Championships | Team USA | 7 | 1 | 2 | 3 | 4 | 4 |
| 2015 | IIHF World Championship | Team USA | 10 | 0 | 1 | 1 | 0 | 3 |