

| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2012-13 | USHL | Chicago | 9 | 2 | 3 | 5 | 2 | 4 | -- | -- | -- | -- | -- | -- |
| 2013-14 | OHL | London Knights | 33 | 6 | 8 | 14 | 0 | 8 | -- | -- | -- | -- | -- | -- |
| 2014-15 | OHL | London Knights | 66 | 41 | 68 | 109 | 24 | 33 | 10 | 5 | 8 | 13 | 0 | -2 |
| 2014-15 | AHL | Portland | 2 | 1 | 1 | 2 | 4 | 2 | 5 | 0 | 1 | 1 | 0 | -4 |
| 2015-16 | OHL | London Knights | 59 | 52 | 69 | 121 | 27 | 56 | -- | -- | -- | -- | -- | -- |
| 2015-16 | OHL | London Knights | -- | -- | -- | -- | -- | -- | 18 | 14 | 21 | 35 | 4 | 29 |
| 2016-17 | NHL | Arizona Coyotes | 78 | 15 | 18 | 33 | 22 | 7 | -- | -- | -- | -- | -- | -- |
| 2017-18 | NHL | Arizona Coyotes | 78 | 15 | 22 | 37 | 22 | -19 | -- | -- | -- | -- | -- | -- |
| 2018-19 | AHL | Tucson Roadrunners | 2 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- |
| 2018-19 | NHL | Arizona Coyotes | 20 | 2 | 5 | 7 | 2 | -2 | -- | -- | -- | -- | -- | -- |
| 2019-20 | NHL | Arizona Coyotes | 70 | 18 | 20 | 38 | 12 | 6 | 9 | 2 | 1 | 3 | 0 | 1 |
| 2020-21 | NHL | Arizona Coyotes | 56 | 17 | 14 | 31 | 12 | -11 | -- | -- | -- | -- | -- | -- |
| 2021-22 | NHL | Montréal Canadiens | 56 | 11 | 22 | 33 | 24 | -19 | -- | -- | -- | -- | -- | -- |
| 2022-23 | NHL | Montréal Canadiens | 64 | 10 | 18 | 28 | 6 | -12 | -- | -- | -- | -- | -- | -- |
| 2023-24 | NHL | Montréal Canadiens | 30 | 5 | 4 | 9 | 4 | -5 | -- | -- | -- | -- | -- | -- |
| 2024-25 | NHL | Montréal Canadiens | 82 | 12 | 21 | 33 | 16 | -5 | 5 | 2 | 0 | 2 | 4 | -1 |
| 2025-26 | NHL | Philadelphia Flyers | 65 | 13 | 26 | 39 | 18 | 4 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 599 | 118 | 170 | 288 | 138 | -56 | 14 | 4 | 1 | 5 | 4 | 0 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2016 | World Junior U-20 Championships | Team USA | 7 | 3 | 5 | 8 | 0 | 8 |
| 2016 | Memorial Cup | London Knights | 4 | 7 | 5 | 12 | 0 | 9 |
| 2017 | IIHF World Championship | Team USA | 8 | 1 | 0 | 1 | 6 | 2 |