

| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2013-14 | AHL | Rochester Americans | 54 | 7 | 20 | 27 | 30 | -6 | 5 | 3 | 3 | 6 | 9 | 1 |
| 2014-15 | AHL | Rochester Americans | 33 | 10 | 15 | 25 | 39 | 3 | -- | -- | -- | -- | -- | -- |
| 2014-15 | AHL | St. John's | 21 | 2 | 6 | 8 | 22 | 0 | -- | -- | -- | -- | -- | -- |
| 2014-15 | NHL | Buffalo Sabres | 1 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- |
| 2015-16 | AHL | Manitoba Moose | 18 | 3 | 5 | 8 | 16 | 3 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | Winnipeg Jets | 43 | 4 | 6 | 10 | 12 | 2 | -- | -- | -- | -- | -- | -- |
| 2016-17 | NHL | Winnipeg Jets | 57 | 10 | 9 | 19 | 20 | -8 | -- | -- | -- | -- | -- | -- |
| 2017-18 | NHL | Winnipeg Jets | 79 | 12 | 17 | 29 | 22 | 3 | 13 | 2 | 0 | 2 | 2 | -1 |
| 2018-19 | NHL | Montréal Canadiens | 57 | 13 | 10 | 23 | 14 | 0 | -- | -- | -- | -- | -- | -- |
| 2019-20 | NHL | Montréal Canadiens | 58 | 16 | 14 | 30 | 28 | 2 | 10 | 3 | 2 | 5 | 10 | 5 |
| 2020-21 | NHL | Montréal Canadiens | 41 | 7 | 7 | 14 | 10 | 10 | 21 | 5 | 3 | 8 | 10 | -1 |
| 2021-22 | NHL | Montréal Canadiens | 60 | 6 | 8 | 14 | 14 | -15 | -- | -- | -- | -- | -- | -- |
| 2022-23 | NHL | Montréal Canadiens | 43 | 7 | 7 | 14 | 22 | -7 | -- | -- | -- | -- | -- | -- |
| 2023-24 | AHL | Laval Rocket | 8 | 6 | 3 | 9 | 4 | -1 | -- | -- | -- | -- | -- | -- |
| 2023-24 | NHL | Montréal Canadiens | 66 | 17 | 8 | 25 | 34 | 4 | -- | -- | -- | -- | -- | -- |
| 2024-25 | NHL | Montréal Canadiens | 81 | 11 | 18 | 29 | 16 | -2 | 5 | 0 | 2 | 2 | 2 | 2 |
| 2025-26 | NHL | Los Angeles Kings | 53 | 10 | 10 | 20 | 24 | 2 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 639 | 113 | 114 | 227 | 216 | -9 | 49 | 10 | 7 | 17 | 24 | 5 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2012 | World Junior U-20 Championships | Team Finland | 7 | 5 | 2 | 7 | 16 | 2 |
| 2013 | World Junior U-20 Championships | Team Finland | 6 | 6 | 6 | 12 | 12 | 12 |
| 2022 | IIHF World Championship | Team Finland | 10 | 5 | 3 | 8 | 8 | 9 |
| 2023 | IIHF World Championship | Team Finland | 8 | 2 | 1 | 3 | 4 | -5 |
| 2025 | Four Nations Face-off | Team Finland | 2 | 0 | 0 | 0 | 4 | -1 |
| 2026 | Olympics | Team Finland | 6 | 3 | 5 | 8 | 2 | 7 |