

| Regular Season | Playoffs | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | League | Team | GP | G | A | Pts | PIM | +/- | GP | G | A | Pts | PIM | +/- |
| 2013-14 | OHL | Erie Otters | 57 | 41 | 46 | 87 | 35 | 46 | 14 | 10 | 3 | 13 | 2 | 7 |
| 2014-15 | AHL | Hershey Bears | 13 | 3 | 4 | 7 | 6 | 0 | 1 | 1 | 0 | 1 | 0 | -2 |
| 2014-15 | NHL | Washington Capitals | 53 | 9 | 13 | 22 | 10 | 12 | 11 | 2 | 1 | 3 | 0 | 2 |
| 2015-16 | NHL | Washington Capitals | 79 | 17 | 21 | 38 | 12 | 4 | 12 | 1 | 0 | 1 | 6 | -1 |
| 2016-17 | NHL | Washington Capitals | 64 | 12 | 23 | 35 | 14 | 13 | 13 | 3 | 3 | 6 | 2 | 5 |
| 2017-18 | NHL | Washington Capitals | 56 | 12 | 13 | 25 | 27 | 3 | 13 | 2 | 4 | 6 | 4 | 2 |
| 2018-19 | NHL | Washington Capitals | 76 | 12 | 13 | 25 | 14 | 2 | 7 | 1 | 1 | 2 | 0 | -3 |
| 2019-20 | NHL | Colorado Avalanche | 58 | 20 | 25 | 45 | 22 | 11 | 15 | 7 | 10 | 17 | 4 | 7 |
| 2020-21 | NHL | Colorado Avalanche | 53 | 19 | 25 | 44 | 10 | 4 | 10 | 1 | 3 | 4 | 4 | -1 |
| 2021-22 | NHL | Colorado Avalanche | 80 | 22 | 39 | 61 | 18 | 12 | 12 | 3 | 5 | 8 | 2 | 3 |
| 2022-23 | NHL | Seattle Kraken | 49 | 13 | 26 | 39 | 14 | -9 | -- | -- | -- | -- | -- | -- |
| 2023-24 | NHL | Seattle Kraken | 49 | 7 | 9 | 16 | 14 | -15 | -- | -- | -- | -- | -- | -- |
| 2024-25 | NHL | Seattle Kraken | 79 | 10 | 27 | 37 | 12 | -3 | -- | -- | -- | -- | -- | -- |
| 2025-26 | NHL | Chicago Blackhawks | 60 | 11 | 20 | 31 | 14 | -23 | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 756 | 164 | 254 | 418 | 181 | 11 | 93 | 20 | 27 | 47 | 22 | 14 | ||
| Year | Tournament | Team | GP | G | A | Pts | PIM | +/- |
|---|---|---|---|---|---|---|---|---|
| 2016 | IIHF World Championship | Team Sweden | 3 | 1 | 0 | 1 | 12 | 0 |
| 2024 | IIHF World Championship | Team Sweden | 10 | 4 | 7 | 11 | 0 | 8 |
| Season | League | Award |
|---|---|---|
| 2017-18 | NHL | Stanley Cup |
| 2021-22 | NHL | Stanley Cup |