| Position | C |
| Birth city | North Chelmsford, Massachusetts, USA |
| Birth date | 1996-10-28 (29) |
| Height | 6'2'' |
| weight (lb) | 205 |
| Drafted | pick 2 round 1 by BUF in 2015 |
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2015-16 | NHL | Buffalo Sabres | 81 | 24 | 32 | 56 | -16 | 22 |
| 2016-17 | NHL | Buffalo Sabres | 61 | 24 | 33 | 57 | -13 | 22 |
| 2017-18 | NHL | Buffalo Sabres | 67 | 25 | 39 | 64 | -25 | 32 |
| 2018-19 | NHL | Buffalo Sabres | 77 | 28 | 54 | 82 | -11 | 26 |
| 2019-20 | NHL | Buffalo Sabres | 68 | 36 | 42 | 78 | 5 | 34 |
| 2020-21 | NHL | Buffalo Sabres | 21 | 2 | 16 | 18 | -9 | 6 |
| 2021-22 | NHL | Vegas Golden Knights | 34 | 14 | 11 | 25 | 3 | 10 |
| 2022-23 | NHL | Vegas Golden Knights | 67 | 27 | 39 | 66 | 26 | 6 |
| 2023-24 | NHL | Vegas Golden Knights | 63 | 31 | 37 | 68 | 4 | 27 |
| 2024-25 | NHL | Vegas Golden Knights | 77 | 28 | 66 | 94 | 32 | 8 |
| 2025-26 | NHL | Vegas Golden Knights | 74 | 27 | 63 | 90 | 23 | 18 |
| 2026-27 | NHL | Vegas Golden Knights | 6 | 3 | 9 | 12 | 5 | 2 |
| NHL Total | 696 | 269 | 441 | 710 | 24 | 213 | ||
season | L | T. | GP | G | A | PTS | +/- | pim |
|---|---|---|---|---|---|---|---|---|
| 2022-23 | NHL | Vegas Golden Knights | 22 | 6 | 20 | 26 | 14 | 14 |
| 2023-24 | NHL | Vegas Golden Knights | 7 | 3 | 4 | 7 | 0 | 0 |
| 2024-25 | NHL | Vegas Golden Knights | 11 | 1 | 9 | 10 | -8 | 0 |
| 2025-26 | NHL | Vegas Golden Knights | 22 | 2 | 20 | 22 | 4 | 16 |
| NHL Total | 62 | 12 | 53 | 65 | 10 | 30 | ||