
| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2012-13 | QMJHL | Moncton Wildcats | 51 | 46 | 53 | 99 | 73 | 26 | 5 | 1 | 2 | 3 | 16 | 1 |
| 2012-13 | NHL | St. Louis Blues | 2 | 0 | 0 | 0 | 0 | -1 | -- | -- | -- | -- | -- | -- |
| 2013-14 | AHL | Chicago Wolves | 42 | 15 | 14 | 29 | 28 | 7 | 9 | 4 | 5 | 9 | 10 | -3 |
| 2013-14 | NHL | St. Louis Blues | 18 | 1 | 1 | 2 | 8 | -3 | -- | -- | -- | -- | -- | -- |
| 2014-15 | AHL | Chicago Wolves | 18 | 4 | 11 | 15 | 31 | 6 | -- | -- | -- | -- | -- | -- |
| 2014-15 | NHL | St. Louis Blues | 54 | 13 | 5 | 18 | 16 | 7 | 6 | 0 | 1 | 1 | 2 | 1 |
| 2015-16 | AHL | Chicago Wolves | 3 | 1 | 1 | 2 | 4 | -1 | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | St. Louis Blues | 65 | 4 | 9 | 13 | 26 | 3 | 6 | 1 | 1 | 2 | 5 | 0 |
| 2016-17 | NHL | St. Louis Blues | 51 | 1 | 10 | 11 | 18 | 5 | 2 | 1 | 0 | 1 | 4 | -1 |
| 2017-18 | NHL | St. Louis Blues | 76 | 6 | 11 | 17 | 14 | 6 | -- | -- | -- | -- | -- | -- |
| 2018-19 | NHL | Washington Capitals | 37 | 2 | 6 | 8 | 6 | -5 | -- | -- | -- | -- | -- | -- |
| 2019-20 | KHL | Dynamo Moskva | 58 | 31 | 32 | 63 | 75 | 34 | 6 | 3 | 3 | 6 | 6 | 6 |
| 2020-21 | KHL | Dynamo Moskva | 59 | 38 | 22 | 60 | 52 | 25 | 10 | 5 | 3 | 8 | 12 | 2 |
| 2021-22 | NHL | Arizona Coyotes | 12 | 0 | 1 | 1 | 4 | -6 | -- | -- | -- | -- | -- | -- |
| 2022-23 | KHL | SKA St. Petersburg | 67 | 40 | 22 | 62 | 48 | 21 | 14 | 5 | 2 | 7 | 16 | -2 |
| 2023-24 | KHL | Ak Bars Kazan | 36 | 18 | 6 | 24 | 28 | -1 | 4 | 1 | 1 | 2 | 4 | -2 |
| 2024-25 | KHL | Ak Bars Kazan | 68 | 35 | 19 | 54 | 44 | 3 | 13 | 6 | 5 | 11 | 10 | 4 |
| 2025-26 | KHL | Ak Bars Kazan | 57 | 18 | 14 | 32 | 32 | 14 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 315 | 27 | 43 | 70 | 92 | 6 | 14 | 2 | 2 | 4 | 11 | 0 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2012 | World Junior U-20 Championships | Team Czechia | 6 | 1 | 1 | 2 | 4 | 1 |
| 2013 | World Junior U-20 Championships | Team Czechia | 6 | 3 | 3 | 6 | 12 | 3 |
| 2017 | World Cup of Hockey | Team Czechia | 3 | 0 | 0 | 0 | 0 | -3 |
| 2018 | IIHF World Championship | Team Czechia | 8 | 4 | 3 | 7 | 10 | 9 |
| 2019 | IIHF World Championship | Team Czechia | 10 | 2 | 2 | 4 | 14 | 2 |