
| 2010-11 | T1EBHL | Chicago Mission Bantam Major AAA | 31 | 10 | 11 | 21 | 0 | - | - | 8 |
| 2011-12 | HPHL | Chi. Mission | 29 | 14 | 9 | 23 | - | - | - | 8 |
| 2012-13 | USHL | USNTDP | 38 | 8 | 7 | 15 | -19 | 87 | 9.2% | 28 |
| 2012-13 | U-17 | USNTDP | 18 | 4 | 5 | 9 | - | - | - | 20 |
| 2013-14 | USHL | USNTDP | 26 | 9 | 12 | 21 | 14 | 62 | 14.5% | 0 |
| 2013-14 | U-18 | USNTDP | 35 | 12 | 9 | 21 | - | - | - | 10 |
| 2014-15 | H-East | U. of Notre Dame | 41 | 7 | 15 | 22 | - | - | - | 14 |
| 2015-16 | NCAA | Univ. of Notre Dame | 35 | 12 | 23 | 35 | 28 | - | - | 8 |
| 2016-17 | NCAA | Univ. of Notre Dame | 39 | 21 | 31 | 52 | 17 | - | - | 16 |
| 2017-18 | NHL | Boston Bruins | 30 | 4 | 8 | 12 | 2 | 30 | 13.3% | 6 |
| 2017-18 | AHL | Providence Bruins | 9 | 2 | 2 | 4 | -1 | - | - | 2 |
| 2018-19 | NHL | Boston Bruins | 20 | 1 | 2 | 3 | -1 | 18 | 5.6% | 2 |
| 2018-19 | AHL | Providence Bruins | 13 | 1 | 9 | 10 | -3 | - | - | 2 |
| 2019-20 | NHL | Boston Bruins | 58 | 9 | 10 | 19 | 5 | 66 | 13.6% | 10 |
| 2019-20 | AHL | Providence Bruins | 7 | 3 | 5 | 8 | 5 | - | - | 4 |
| 2020-21 | NHL | Boston Bruins | 30 | 2 | 3 | 5 | -8 | 22 | 9.1% | 10 |
| 2020-21 | NHL | Buffalo Sabres | 15 | 3 | 3 | 6 | -5 | 19 | 15.8% | 4 |
| 2021-22 | NHL | Buffalo Sabres | 58 | 5 | 3 | 8 | -14 | 51 | 9.8% | 10 |
| 2022-23 | NHL | Buffalo Sabres | 1 | 0 | 0 | 0 | 0 | 1 | 0.0% | 0 |
| 2022-23 | NHL | Chicago Blackhawks | 13 | 2 | 6 | 8 | 4 | 14 | 14.3% | 2 |
| 2022-23 | AHL | Rochester Americans | 42 | 8 | 17 | 25 | 5 | - | - | 16 |
| 2023-24 | AHL | Rockford IceHogs | 40 | 10 | 17 | 27 | -8 | - | - | 10 |
| 2024-25 | AHL | Milwaukee Admirals | 31 | 4 | 8 | 12 | 7 | - | - | 8 |
| NHL Totals | β | 225 | 26 | 35 | 61 | -17 | 221 | 11.8% | 44 | |
| AHL Totals | β | 142 | 28 | 58 | 86 | 5 | - | - | 42 | |
| Juniors Totals | β | 138 | 50 | 73 | 123 | 40 | 149 | 33.6% | 52 | |
| 2019-20 | NHL | Boston Bruins | 10 | 0 | 1 | 1 | -3 | 17 | 0.0% | 6 |
| NHL Totals | β | 10 | 0 | 1 | 1 | -3 | 17 | 0.0% | 6 | |
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs PHI | Apr 13 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 16 | 14:47 |
| Regular | @ PIT | Apr 11 | 0 | 2 | 2 | 3 | 0 | 0 | 0 | 2 | 18 | 15:22 |
| Regular | vs MIN | Apr 10 | 1 | 0 | 1 | 1 | 2 | 0 | 0 | 2 | 17 | 13:33 |
| Regular | @ SEA | Apr 8 | 0 | 1 | 1 | -1 | 0 | 0 | 0 | 0 | 17 | 15:20 |
| Regular | @ VAN | Apr 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 16 | 12:25 |