Drafted 163 overall (2012 Round 6, Pick 12) by the Buffalo Sabres. View all Buffalo Sabres draft picks →
Regular-season wins in each season played.
Regular-season save % by season (highest-volume team per season).
| Regular Season | Playoffs | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | Team | Lge | GP | W | L | OTL | GA | GAA | SV% | SO | GP | W | L | OTL | GA | GAA | SV% | SO |
| 2008-09 | Kramfors U18 | SWE-U18 | 14 | — | — | — | 54 | 3.93 | — | 0 | — | — | — | — | — | — | — | — |
| 2009-10 | MODO U18 | SWE-U18 | 8 | — | — | — | 26 | 3.22 | — | 1 | 2 | — | — | — | 7 | 3.50 | — | 0 |
| 2009-10 | Kramfors U18 | SWE-U18 | 2 | — | — | — | 11 | 5.50 | — | 0 | — | — | — | — | — | — | — | — |
| 2010-11 | MODO U18 | SWE-U18 | 24 | — | — | — | 51 | 2.20 | — | 5 | 2 | — | — | — | 6 | 3.49 | — | 0 |
| 2010-11 | MODO Jr. | SWE-JR | 1 | — | — | — | 2 | 2.00 | — | 0 | — | — | — | — | — | — | — | — |
| 2011-12 | MODO Jr. | SWE-JR | 25 | — | — | — | 70 | 2.76 | — | 1 | 5 | — | — | — | 9 | 2.24 | — | 1 |
| 2011-12 | MODO | SWEDEN | 3 | — | — | — | 8 | 3.24 | — | 0 | — | — | — | — | — | — | — | — |
| 2012-13 | MODO | SWEDEN | 6 | 3 | 1 | — | 11 | 2.07 | — | 0 | 2 | 1 | 1 | — | 3 | 1.47 | — | 0 |
| 2012-13 | MODO Jr. | SWE-JR | 23 | 18 | 5 | — | 46 | 2.04 | — | 2 | 5 | 4 | 1 | — | 1 | 1.39 | — | — |
| 2012-13 | Mora | SWEDEN-2 | 6 | 4 | 2 | — | 12 | 2.10 | — | 0 | — | — | — | — | — | — | — | — |
| 2013-14 | MODO | SWEDEN | 35 | 17 | 16 | — | 71 | 2.08 | — | 3 | 2 | 0 | 2 | — | 9 | 4.24 | — | 0 |
| 2014-15 | MoDo Hockey | SHL | 35 | 12 | 20 | — | 100 | 3.12 | 0.905 | 1 | 4 | 4 | 0 | — | 2 | 0.50 | 0.980 | 2 |
| 2015-16 | Rochester Americans | AHL | 28 | 10 | 16 | 0 | 90 | 3.41 | 0.902 | 0 | — | — | — | — | — | — | — | — |
| 2015-16 | Buffalo Sabres | NHL | 20 | 8 | 10 | 2 | 49 | 2.60 | 0.913 | 0 | — | — | — | — | — | — | — | — |
| 2016-17 | Buffalo Sabres | NHL | 1 | 0 | 1 | 0 | 3 | 3.06 | 0.917 | 0 | — | — | — | — | — | — | — | — |
| 2016-17 | Rochester Americans | AHL | 55 | 26 | 27 | 4 | 153 | 2.87 | 0.909 | 1 | — | — | — | — | — | — | — | — |
| 2017-18 | Rochester Americans | AHL | 44 | 21 | 12 | 14 | 105 | 2.44 | 0.922 | 2 | 3 | 0 | 3 | 0 | 16 | 5.50 | 0.800 | 0 |
| 2017-18 | Buffalo Sabres | NHL | 5 | 1 | 2 | 0 | 8 | 2.00 | 0.935 | 0 | — | — | — | — | — | — | — | — |
| 2018-19 | Buffalo Sabres | NHL | 37 | 15 | 14 | 5 | 109 | 3.11 | 0.905 | 2 | — | — | — | — | — | — | — | — |
| 2019-20 | Buffalo Sabres | NHL | 34 | 17 | 14 | 3 | 91 | 2.69 | 0.915 | 1 | — | — | — | — | — | — | — | — |
| 2020-21 | Buffalo Sabres | NHL | 20 | 9 | 6 | 3 | 49 | 2.63 | 0.917 | 0 | — | — | — | — | — | — | — | — |
| 2021-22 | Sweden | WC | 3 | 1 | 2 | 0 | 7 | 2.26 | 0.920 | 1 | — | — | — | — | — | — | — | — |
| 2021-22 | Boston Bruins | NHL | 41 | 26 | 10 | 2 | 95 | 2.45 | 0.917 | 1 | 2 | 0 | 2 | 0 | 8 | 4.16 | 0.860 | 0 |
| 2022-23 | Boston Bruins | NHL | 49 | 40 | 6 | 1 | 91 | 1.89 | 0.938 | 2 | 6 | 3 | 3 | 0 | 20 | 3.33 | 0.896 | 0 |
| 2023-24 | Boston Bruins | NHL | 40 | 22 | 10 | 7 | 103 | 2.57 | 0.915 | 2 | 2 | 0 | 1 | 0 | 5 | 3.90 | 0.886 | 0 |
| 2024-25 | Ottawa Senators | NHL | 44 | 25 | 14 | 3 | 112 | 2.72 | 0.910 | 4 | 6 | 2 | 4 | 0 | 18 | 2.84 | 0.880 | 1 |
| 2024-25 | Sweden | 4-NATIONS | 1 | 0 | 0 | 1 | 2 | 2.88 | 0.882 | 0 | — | — | — | — | — | — | — | — |
| 2025-26 | Ottawa Senators | NHL | 49 | 28 | 12 | 8 | 131 | 2.73 | 0.891 | 3 | 4 | 0 | 4 | 0 | 9 | 2.03 | 0.932 | 0 |
| Totals | 653 | 303 | 200 | 53 | 1660 | 2.64 | 0.913 | 32 | 45 | 14 | 21 | 0 | 113 | 2.91 | 0.897 | 4 | ||