Statistics
Regular Season Stats
| 2010-11 | Bantam | Alaska All Stars 14U AA | 12 | 23 | 29 | 52 | 0 | - | - | 6 |
| 2011-12 | AYHL 14U | Mid Fairfield Rangers 14U AAA | 22 | 16 | 5 | 21 | - | - | - | 10 |
| 2012-13 | AYHL 15U | Long Island Royals 15U | 14 | 12 | 13 | 25 | 0 | - | - | 19 |
| 2013-14 | USPHL | PAL Islanders | 16 | 17 | 14 | 31 | - | - | - | 8 |
| 2014-15 | USHL | USNTDP | 25 | 7 | 7 | 14 | 10 | 26 | 26.9% | 20 |
| 2014-15 | U-18 | USNTDP | 39 | 5 | 7 | 12 | - | - | - | 12 |
| 2015-16 | NCAA | Univ. of Connecticut | 36 | 14 | 18 | 32 | -14 | - | - | 12 |
| 2016-17 | NCAA | Univ. of Connecticut | 34 | 19 | 13 | 32 | -6 | - | - | 24 |
| 2016-17 | AHL | Chicago Wolves | 16 | 1 | 1 | 2 | 1 | - | - | 2 |
| 2017-18 | NHL | St. Louis Blues | 41 | 3 | 6 | 9 | -12 | 55 | 5.5% | 12 |
| 2017-18 | AHL | San Antonio Rampage | 30 | 8 | 10 | 18 | -4 | - | - | 4 |
| 2018-19 | NHL | Buffalo Sabres | 65 | 7 | 5 | 12 | -22 | 108 | 6.5% | 20 |
| 2018-19 | AHL | Rochester Americans | 8 | 6 | 3 | 9 | 6 | - | - | 4 |
| 2019-20 | NHL | Buffalo Sabres | 1 | 0 | 0 | 0 | 0 | 0 | 0.0% | 0 |
| 2019-20 | AHL | Rochester Americans | 16 | 6 | 6 | 12 | 5 | - | - | 8 |
| 2020-21 | NHL | Buffalo Sabres | 38 | 8 | 6 | 14 | -6 | 96 | 8.3% | 17 |
| 2021-22 | NHL | Buffalo Sabres | 78 | 38 | 30 | 68 | -17 | 253 | 15.0% | 37 |
| 2022-23 | NHL | Buffalo Sabres | 78 | 47 | 47 | 94 | 4 | 295 | 15.9% | 39 |
| 2023-24 | NHL | Buffalo Sabres | 71 | 29 | 27 | 56 | -1 | 246 | 11.8% | 43 |
| 2024-25 | NHL | Buffalo Sabres | 76 | 44 | 28 | 72 | -2 | 242 | 18.2% | 35 |
| 2025-26 | NHL | Buffalo Sabres | 42 | 21 | 18 | 39 | -10 | 146 | 14.4% | 23 |
| NHL Totals | – | 490 | 197 | 167 | 364 | -66 | 1441 | 13.7% | 226 | |
| AHL Totals | – | 70 | 21 | 20 | 41 | 8 | - | - | 18 | |
| Juniors Totals | – | 95 | 40 | 38 | 78 | -10 | 26 | 153.8% | 56 | |
Playoff Stats
| 2010-11 | 14U AA | Alaska All Stars 14U AA | 5 | 8 | 5 | 13 | - | - | - | 4 |
| 2016-17 | AHL | Chicago Wolves | 10 | 2 | 1 | 3 | -4 | - | - | 4 |
| 2018-19 | AHL | Rochester Americans | 3 | 2 | 0 | 2 | -2 | - | - | 2 |
| AHL Totals | – | 13 | 4 | 1 | 5 | -6 | - | - | 6 | |
Last 5 Games
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | @ NYR | Jan 8 | 0 | 1 | 1 | -1 | 0 | 0 | 0 | 2 | 21 | 16:39 |
| Regular | vs VAN | Jan 6 | 1 | 0 | 1 | 2 | 4 | 0 | 0 | 1 | 23 | 18:37 |
| Regular | @ CBJ | Jan 3 | 0 | 0 | 0 | -3 | 0 | 0 | 0 | 4 | 24 | 22:42 |
| Regular | @ DAL | Dec 31 | 2 | 1 | 3 | 3 | 2 | 0 | 0 | 7 | 22 | 18:45 |
| Regular | @ STL | Dec 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 20 | 19:12 |