| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2008-2009 | Academy of Holy Angels | USHS-MN | 25 | 2 | 24 | 26 | 12 | | | Playoffs | 2 | 0 | 1 | 1 | 0 |
| 2009-2010 | Team TDS Transportation | UMHSEHL | 3 | 0 | 0 | 0 | 2 | | | ||||||
| Team MPLS Magazine | UMHSEHL | 20 | 6 | 3 | 9 | 4 | | | |||||||
| Academy of Holy Angels | USHS-MN | 24 | 4 | 29 | 33 | 19 | | | Playoffs | 2 | 3 | 2 | 5 | 0 | |
| 2010-2011 | Shattuck St. Mary's 18U Prep | USHS-Prep | 54 | 14 | 34 | 48 | 30 | | | ||||||
| 2011-2012 | Penticton Vees | Doyle Cup | 5 | 1 | 7 | 8 | 2 | | | ||||||
| Penticton Vees | RBC Cup | 6 | 1 | 3 | 4 | 2 | | | |||||||
| Penticton Vees | BCHL | 51 | 24 | 59 | 83 | 42 | | | Playoffs | 15 | 1 | 7 | 8 | 10 | |
| USA U19 | WJAC-19 | 5 | 0 | 1 | 1 | 2 | | | |||||||
| 2012-2013 | Univ. of Minnesota | NCAA | 37 | 3 | 11 | 14 | 14 | | | ||||||
| USA U20 | WJC-20 | 7 | 1 | 2 | 3 | 4 | | | |||||||
| 2013-2014 | Univ. of Minnesota | NCAA | 41 | 9 | 24 | 33 | 18 | | | ||||||
| 2014-2015 | Univ. of Minnesota | NCAA | 39 | 6 | 36 | 42 | 44 | | | ||||||
| USA | WC | 10 | 0 | 1 | 1 | 0 | | | |||||||
| 2015-2016 | Minnesota Wild | NHL | 29 | 1 | 6 | 7 | 8 | | | ||||||
| Iowa Wild | AHL | 45 | 5 | 18 | 23 | 10 | | | |||||||
| 2016-2017 | Minnesota Wild | NHL | 17 | 1 | 0 | 1 | 2 | | | ||||||
| Iowa Wild | AHL | 57 | 5 | 25 | 30 | 48 | | | |||||||
| 2017-2018 | Minnesota Wild | NHL | 38 | 2 | 8 | 10 | 18 | | | ||||||
| Iowa Wild | AHL | 1 | 1 | 0 | 1 | 2 | | | |||||||
| Montréal Canadiens | NHL | 19 | 0 | 8 | 8 | 8 | | | |||||||
| 2018-2019 | Montréal Canadiens | NHL | 57 | 3 | 8 | 11 | 16 | | | ||||||
| 2019-2020 | Montréal Canadiens | NHL | 14 | 0 | 4 | 4 | 6 | | | ||||||
| Ottawa Senators | NHL | 30 | 1 | 11 | 12 | 18 | | | |||||||
| 2020-2021 | Ottawa Senators | NHL | 40 | 0 | 19 | 19 | 18 | | | ||||||
| Boston Bruins | NHL | 15 | 0 | 8 | 8 | 4 | | | Playoffs | 11 | 0 | 4 | 4 | 8 | |
| 2021-2022 | Boston Bruins | NHL | 70 | 4 | 13 | 17 | 32 | | | Playoffs | 5 | 0 | 0 | 0 | 2 |
| 2022-2023 | Boston Bruins | NHL | 10 | 0 | 1 | 1 | 2 | | | ||||||
| Providence Bruins | AHL | 36 | 7 | 19 | 26 | 34 | | | Playoffs | 1 | 0 | 0 | 0 | 0 |