| Season | Team | League | GP | G | A | TP | PIM | Playoffs | GP | G | A | TP | PIM | |
| 2010-2011 | Alaska All Stars 14U AA | 14U AA | 12 | 23 | 29 | 52 | 6 | | | Playoffs | 5 | 8 | 5 | 13 | 4 |
| 2011-2012 | Mid Fairfield Rangers 14U AAA | AYHL 14U | 22 | 16 | 5 | 21 | 10 | | | ||||||
| 2012-2013 | Long Island Royals 15U AAA | AYHL 16UA | 16 | 14 | 14 | 28 | 19 | | | ||||||
| Elite Hockey Group | OHL Cup | 3 | 0 | 0 | 0 | 0 | | | |||||||
| 2013-2014 | P.A.L. Junior Islanders 16U AAA | USPHL 16U | 16 | 17 | 14 | 31 | 8 | | | ||||||
| 2014-2015 | USNTDP Juniors | USHL | 25 | 7 | 7 | 14 | 20 | | | ||||||
| Team Red | USA-S17 | 5 | 4 | 3 | 7 | - | | | |||||||
| U.S. National U18 Team | NTDP | 64 | 12 | 14 | 26 | 32 | | | |||||||
| USA U18 | WJC-18 | 7 | 0 | 1 | 1 | 2 | | | |||||||
| 2015-2016 | Univ. of Connecticut | NCAA | 36 | 14 | 18 | 32 | 12 | | | ||||||
| 2016-2017 | Univ. of Connecticut | NCAA | 34 | 19 | 13 | 32 | 24 | | | ||||||
| Chicago Wolves | AHL | 16 | 1 | 1 | 2 | 2 | | | Playoffs | 10 | 2 | 1 | 3 | 4 | |
| USA U20 | WJC-20 | 7 | 1 | 4 | 5 | 4 | | | |||||||
| 2017-2018 | St. Louis Blues | NHL | 41 | 3 | 6 | 9 | 12 | | | ||||||
| San Antonio Rampage | AHL | 30 | 8 | 10 | 18 | 4 | | | |||||||
| USA | WC | 10 | 1 | 2 | 3 | 16 | | | |||||||
| 2018-2019 | Buffalo Sabres | NHL | 65 | 7 | 5 | 12 | 20 | | | ||||||
| Rochester Americans | AHL | 8 | 6 | 3 | 9 | 4 | | | Playoffs | 3 | 2 | 0 | 2 | 2 | |
| 2019-2020 | Buffalo Sabres | NHL | 1 | 0 | 0 | 0 | 0 | | | ||||||
| Rochester Americans | AHL | 16 | 6 | 6 | 12 | 8 | | | |||||||
| 2020-2021 | Buffalo Sabres | NHL | 38 | 8 | 6 | 14 | 17 | | | ||||||
| USA | WC | 8 | 1 | 4 | 5 | 2 | | | |||||||
| 2021-2022 | Buffalo Sabres | NHL | 78 | 38 | 30 | 68 | 37 | | | ||||||
| 2022-2023 | Buffalo Sabres | NHL | 78 | 47 | 47 | 94 | 39 | | | ||||||
| 2023-2024 | Buffalo Sabres | NHL | 71 | 29 | 27 | 56 | 43 | | | ||||||
| 2024-2025 | Buffalo Sabres | NHL | 48 | 26 | 22 | 48 | 15 | | |