Statistics
Regular Season Stats
| 2008-09 | Jr. C SM-sarja Q | TPS U16 | 5 | 0 | 0 | 0 | 0 | - | - | 0 |
| 2009-10 | Fin-U18 | TPS U18 | 32 | 3 | 7 | 10 | - | - | - | 28 |
| 2009-10 | Fin-Jr. | Tps Jr. | 5 | 1 | 1 | 2 | - | - | - | 0 |
| 2010-11 | Fin-U18 | TPS U18 | 2 | 1 | 2 | 3 | - | - | - | 0 |
| 2010-11 | Fin-Jr. | TPS Jr. | 27 | 0 | 12 | 12 | - | - | - | 30 |
| 2010-11 | Finland | TPS | 1 | 0 | 0 | 0 | - | - | - | 0 |
| 2011-12 | Fin-Jr. | TPS Jr. | 8 | 0 | 4 | 4 | - | - | - | 6 |
| 2011-12 | Finland | TPS | 40 | 3 | 5 | 8 | - | - | - | 78 |
| 2012-13 | Finland | TPS | 52 | 3 | 12 | 15 | - | - | - | 32 |
| 2013-14 | NHL | Buffalo Sabres | 34 | 2 | 2 | 4 | -15 | 52 | 3.9% | 6 |
| 2013-14 | AHL | Rochester | 34 | 6 | 14 | 20 | -2 | 66 | 9.1% | 22 |
| 2014-15 | NHL | Buffalo Sabres | 78 | 8 | 12 | 20 | -32 | 121 | 6.6% | 26 |
| 2015-16 | NHL | Buffalo Sabres | 82 | 9 | 32 | 41 | -21 | 202 | 4.5% | 33 |
| 2016-17 | NHL | Buffalo Sabres | 79 | 6 | 39 | 45 | -9 | 186 | 3.2% | 58 |
| 2017-18 | NHL | Buffalo Sabres | 73 | 6 | 35 | 41 | -25 | 182 | 3.3% | 48 |
| 2018-19 | NHL | Buffalo Sabres | 78 | 5 | 38 | 43 | -41 | 182 | 2.8% | 38 |
| 2019-20 | NHL | Buffalo Sabres | 69 | 6 | 27 | 33 | -2 | 128 | 4.7% | 46 |
| 2020-21 | NHL | Buffalo Sabres | 49 | 4 | 14 | 18 | -18 | 73 | 5.5% | 36 |
| 2021-22 | NHL | Philadelphia Flyers | 66 | 2 | 14 | 16 | -9 | 97 | 2.1% | 38 |
| 2022-23 | NHL | Philadelphia Flyers | 74 | 3 | 17 | 20 | -4 | 86 | 3.5% | 32 |
| 2023-24 | NHL | Philadelphia Flyers | 31 | 1 | 3 | 4 | -6 | 46 | 2.2% | 8 |
| 2024-25 | NHL | Philadelphia Flyers | 63 | 4 | 15 | 19 | 3 | 100 | 4.0% | 14 |
| 2025-26 | NHL | Philadelphia Flyers | 11 | 0 | 3 | 3 | 1 | 19 | 0.0% | 4 |
| NHL Totals | – | 787 | 56 | 251 | 307 | -178 | 1474 | 3.8% | 387 | |
| AHL Totals | – | 34 | 6 | 14 | 20 | -2 | 66 | 9.1% | 22 | |
Playoff Stats
| 2008-09 | U16 SM-sarja | TPS U16 | 7 | 1 | 1 | 2 | - | - | - | 2 |
| 2009-10 | Fin-U18 | TPS U18 | 3 | 1 | 0 | 1 | - | - | - | 4 |
| 2010-11 | Fin-U18 | TPS U18 | 13 | 5 | 3 | 8 | - | - | - | 8 |
| 2011-12 | Finland | TPS | 2 | 0 | 0 | 0 | - | - | - | 0 |
| 2012-13 | Fin-Jr. | TPS Jr. | 5 | 2 | 1 | 3 | - | - | - | 2 |
| 2013-14 | AHL | Rochester | 5 | 0 | 2 | 2 | -2 | 11 | 0.0% | 2 |
| AHL Totals | – | 5 | 0 | 2 | 2 | -2 | 11 | 0.0% | 2 | |
Last 5 Games
| Season | Opponent | Date | G | A | P | +/- | PIM | PPG | SHG | S | Shifts | TOI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular | vs TOR | Jan 8 | 0 | 1 | 1 | -2 | 0 | 0 | 0 | 0 | 30 | 23:31 |
| Regular | vs ANA | Jan 6 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 4 | 31 | 24:05 |
| Regular | @ EDM | Jan 3 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 2 | 30 | 19:16 |
| Regular | @ CGY | Dec 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 25 | 22:15 |
| Regular | @ VAN | Dec 30 | 0 | 1 | 1 | -1 | 0 | 0 | 0 | 3 | 26 | 23:39 |