Statistics
Regular Season Stats
| 2011-12 | Russia-Jr. | CSKA Jr. | 41 | 2 | 4 | 6 | - | - | - | 63 |
| 2012-13 | OHL | London | 63 | 6 | 19 | 25 | - | - | - | 54 |
| 2013-14 | NHL | Buffalo Sabres | 7 | 1 | 0 | 1 | -4 | 4 | 25.0% | 4 |
| 2013-14 | OHL | London | 36 | 11 | 19 | 30 | 30 | - | - | 43 |
| 2014-15 | NHL | Buffalo Sabres | 60 | 3 | 12 | 15 | -10 | 52 | 5.8% | 51 |
| 2015-16 | NHL | Colorado Avalanche | 22 | 0 | 2 | 2 | -5 | 18 | 0.0% | 12 |
| 2015-16 | AHL | San Antonio | 52 | 10 | 19 | 29 | -9 | 98 | 10.2% | 90 |
| 2016-17 | NHL | Colorado Avalanche | 56 | 0 | 10 | 10 | -20 | 61 | 0.0% | 73 |
| 2017-18 | NHL | Colorado Avalanche | 77 | 7 | 13 | 20 | 4 | 94 | 7.4% | 103 |
| 2018-19 | NHL | Colorado Avalanche | 70 | 7 | 7 | 14 | 19 | 100 | 7.0% | 75 |
| 2019-20 | NHL | Colorado Avalanche | 64 | 4 | 9 | 13 | 6 | 65 | 6.2% | 65 |
| 2020-21 | NHL | Chicago Blackhawks | 55 | 1 | 7 | 8 | 1 | 52 | 1.9% | 36 |
| 2021-22 | NHL | Calgary Flames | 74 | 4 | 18 | 22 | 11 | 106 | 3.8% | 77 |
| 2022-23 | NHL | Calgary Flames | 82 | 14 | 7 | 21 | 10 | 130 | 10.8% | 80 |
| 2023-24 | NHL | Calgary Flames | 21 | 1 | 5 | 6 | -6 | 29 | 3.4% | 23 |
| 2023-24 | NHL | Vancouver Canucks | 54 | 5 | 9 | 14 | 6 | 61 | 8.2% | 102 |
| 2024-25 | NHL | Boston Bruins | 81 | 4 | 18 | 22 | 25 | 105 | 3.8% | 145 |
| 2025-26 | NHL | Boston Bruins | 44 | 1 | 13 | 14 | 10 | 55 | 1.8% | 113 |
| NHL Totals | – | 767 | 52 | 130 | 182 | 47 | 932 | 5.6% | 959 | |
| AHL Totals | – | 52 | 10 | 19 | 29 | -9 | 98 | 10.2% | 90 | |
| Juniors Totals | – | 99 | 17 | 38 | 55 | 30 | - | - | 97 | |
Playoff Stats
| 2011-12 | Russia-Jr. | CSKA Jr. | 8 | 0 | 0 | 0 | - | - | - | 8 |
| 2012-13 | OHL | London | 20 | 2 | 4 | 6 | - | - | - | 36 |
| 2012-13 | M-Cup | London | 5 | 2 | 0 | 2 | 1 | - | - | 2 |
| 2013-14 | OHL | London | 9 | 4 | 5 | 9 | -1 | - | - | 16 |
| 2013-14 | M-Cup | London | 3 | 0 | 0 | 0 | -2 | - | - | 4 |
| 2017-18 | NHL | Colorado Avalanche | 6 | 1 | 2 | 3 | 1 | 9 | 11.1% | 32 |
| 2018-19 | NHL | Colorado Avalanche | 12 | 0 | 0 | 0 | -5 | 11 | 0.0% | 24 |
| 2019-20 | NHL | Colorado Avalanche | 15 | 3 | 2 | 5 | 5 | 16 | 18.8% | 18 |
| 2021-22 | NHL | Calgary Flames | 12 | 0 | 3 | 3 | 2 | 21 | 0.0% | 24 |
| 2023-24 | NHL | Vancouver Canucks | 13 | 4 | 4 | 8 | 3 | 21 | 19.0% | 26 |
| NHL Totals | – | 58 | 8 | 11 | 19 | 6 | 78 | 10.3% | 124 | |
| Juniors Totals | – | 29 | 6 | 9 | 15 | -1 | - | - | 52 | |
Last 5 Games
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs CGY | Jan 8 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 3 | 26 | 20:30 |
| Regular | @ SEA | Jan 6 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 2 | 26 | 23:14 |
| Regular | @ VAN | Jan 3 | 0 | 0 | 0 | -1 | 4 | 0 | 0 | 0 | 27 | 19:57 |
| Regular | @ EDM | Dec 31 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 1 | 27 | 23:18 |
| Regular | @ CGY | Dec 29 | 0 | 0 | 0 | -1 | 0 | 0 | 0 | 2 | 29 | 23:47 |