Statistics
Regular Season Stats
| 2011-12 | Russia-Jr. | Dyn'o Moscow Jr. | 38 | 8 | 2 | 10 | - | - | - | 18 |
| 2012-13 | QMJHL | Moncton | 68 | 18 | 44 | 62 | - | - | - | 36 |
| 2013-14 | QMJHL | Moncton | 48 | 25 | 43 | 68 | -11 | 156 | 16.0% | 27 |
| 2014-15 | QMJHL | Moncton | 57 | 45 | 50 | 95 | 16 | 223 | 20.2% | 59 |
| 2015-16 | AHL | Chicago | 65 | 10 | 18 | 28 | -14 | 93 | 10.8% | 15 |
| 2016-17 | NHL | St. Louis Blues | 30 | 5 | 7 | 12 | 5 | 20 | 25.0% | 2 |
| 2016-17 | AHL | Chicago Wolves | 46 | 19 | 18 | 37 | 0 | - | - | 14 |
| 2017-18 | NHL | St. Louis Blues | 53 | 7 | 6 | 13 | -1 | 45 | 15.6% | 4 |
| 2017-18 | AHL | Chicago Wolves | 20 | 5 | 5 | 10 | -1 | - | - | 6 |
| 2018-19 | NHL | St. Louis Blues | 80 | 14 | 12 | 26 | -4 | 60 | 23.3% | 17 |
| 2019-20 | NHL | St. Louis Blues | 69 | 11 | 15 | 26 | 4 | 75 | 14.7% | 23 |
| 2020-21 | NHL | St. Louis Blues | 38 | 5 | 7 | 12 | 5 | 43 | 11.6% | 6 |
| 2021-22 | NHL | St. Louis Blues | 81 | 26 | 34 | 60 | 4 | 111 | 23.4% | 40 |
| 2022-23 | NHL | St. Louis Blues | 59 | 10 | 19 | 29 | -10 | 91 | 11.0% | 36 |
| 2022-23 | NHL | Vegas Golden Knights | 23 | 6 | 10 | 16 | 11 | 35 | 17.1% | 6 |
| 2023-24 | NHL | Vegas Golden Knights | 82 | 19 | 26 | 45 | 15 | 122 | 15.6% | 42 |
| 2024-25 | NHL | Vegas Golden Knights | 70 | 23 | 28 | 51 | 26 | 111 | 20.7% | 10 |
| 2025-26 | NHL | Vegas Golden Knights | 42 | 12 | 19 | 31 | 4 | 63 | 19.0% | 6 |
| NHL Totals | – | 627 | 138 | 183 | 321 | 59 | 776 | 17.8% | 192 | |
| AHL Totals | – | 131 | 34 | 41 | 75 | -15 | 93 | 36.6% | 35 | |
| Juniors Totals | – | 173 | 88 | 137 | 225 | 5 | 379 | 23.2% | 122 | |
Playoff Stats
| 2011-12 | Russia-Jr. | Dyn'o Moscow Jr. | 4 | 2 | 2 | 4 | - | - | - | 25 |
| 2012-13 | QMJHL | Moncton | 5 | 1 | 2 | 3 | - | - | - | 0 |
| 2013-14 | QMJHL | Moncton | 6 | 4 | 6 | 10 | 2 | - | - | 8 |
| 2014-15 | QMJHL | Moncton | 16 | 13 | 11 | 24 | -9 | 81 | 16.0% | 14 |
| 2016-17 | NHL | St. Louis Blues | 6 | 0 | 0 | 0 | -1 | 4 | 0.0% | 2 |
| 2016-17 | AHL | Chicago Wolves | 2 | 0 | 0 | 0 | -1 | - | - | 0 |
| 2018-19 | NHL | St. Louis Blues | 25 | 3 | 3 | 6 | 0 | 25 | 12.0% | 4 |
| 2019-20 | NHL | St. Louis Blues | 3 | 0 | 0 | 0 | 0 | 3 | 0.0% | 2 |
| 2020-21 | NHL | St. Louis Blues | 4 | 0 | 1 | 1 | -2 | 6 | 0.0% | 4 |
| 2021-22 | NHL | St. Louis Blues | 12 | 0 | 2 | 2 | -6 | 13 | 0.0% | 4 |
| 2022-23 | NHL | Vegas Golden Knights | 22 | 7 | 11 | 18 | 14 | 32 | 21.9% | 18 |
| 2023-24 | NHL | Vegas Golden Knights | 7 | 0 | 4 | 4 | 3 | 8 | 0.0% | 0 |
| 2024-25 | NHL | Vegas Golden Knights | 11 | 1 | 1 | 2 | -9 | 14 | 7.1% | 6 |
| NHL Totals | – | 90 | 11 | 22 | 33 | -1 | 105 | 10.5% | 40 | |
| AHL Totals | – | 2 | 0 | 0 | 0 | -1 | - | - | 0 | |
| Juniors Totals | – | 27 | 18 | 19 | 37 | -7 | 81 | 22.2% | 22 | |
Last 5 Games
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs CBJ | Jan 8 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 1 | 23 | 20:47 |
| Regular | @ WPG | Jan 6 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 0 | 14 | 14:15 |
| Regular | @ CHI | Jan 4 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 1 | 18 | 16:32 |
| Regular | @ STL | Jan 2 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 1 | 20 | 15:08 |
| Regular | vs NSH | Dec 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 23 | 16:05 |
Awards
| Year | Award |
|---|---|
| 2022-23 | Stanley Cup |