| Year | Event | GP | G | A | PTS | PIM |
|---|---|---|---|---|---|---|
| 2015 | IIHF Under-18 Men's World Championship | 7 | 0 | 1 | 1 | 2 |
| 2017 | IIHF World Junior Championship | 7 | 1 | 4 | 5 | 4 |
| 2018 | IIHF Men's World Championship | 10 | 1 | 2 | 3 | 16 |
| 2021 | IIHF Men's World Championship | 8 | 1 | 4 | 5 | 2 |
| 2025 | IIHF Men's World Championship | 10 | 6 | 3 | 9 | 6 |
| TEAM USA TOTALS | 42 | 9 | 14 | 23 | 30 |
| Season | Team | GP | G | A | P | PIM | Playoffs | GP | G | A | P | PIM |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014-15 | U.S. National U18 Team | 64 | 12 | 14 | 26 | 32 | ||||||
| 2015-16 | University of Connecticut (HEA) | 36 | 14 | 18 | 32 | 12 | ||||||
| 2016-17 | University of Connecticut (HEA) | 34 | 19 | 13 | 32 | 24 | ||||||
| Chicago Wolves (AHL) | 16 | 1 | 1 | 2 | 2 | 10 | 2 | 1 | 3 | 4 | ||
| 2017-18 | St. Louis Blues (NHL) | 41 | 3 | 6 | 9 | 12 | ||||||
| San Antonio Rampage (AHL) | 30 | 8 | 10 | 18 | 4 | |||||||
| 2018-19 | Buffalo Sabres (NHL) | 65 | 7 | 5 | 12 | 20 | ||||||
| Rochester Americans (AHL) | 8 | 6 | 3 | 9 | 4 | 3 | 2 | 0 | 2 | 2 | ||
| 2019-20 | Buffalo Sabres (NHL) | 1 | 0 | 0 | 0 | 0 | ||||||
| Rochester Americans (AHL) | 16 | 6 | 6 | 12 | 8 | |||||||
| 2020-21 | Buffalo Sabres (NHL) | 38 | 8 | 6 | 14 | 17 | ||||||
| 2021-22 | Buffalo Sabres (NHL) | 78 | 38 | 30 | 68 | 37 | ||||||
| 2022-23 | Buffalo Sabres (NHL) | 78 | 47 | 47 | 94 | 39 | ||||||
| 2023-24 | Buffalo Sabres (NHL) | 71 | 29 | 27 | 56 | 43 | ||||||
| 2024-25 | Buffalo Sabres (NHL) | 76 | 44 | 28 | 72 | 35 |