
| 2006-07 | U16 SM | Frölunda HC U16 | 5 | - | - | - | - | - | - | - | 0.888 | - |
| 2007-08 | Swe-U18 | Frolunda U18 | 19 | - | - | - | - | - | 34 | - | - | 6 |
| 2008-09 | Swe-U18 | Frolunda U18 | 2 | - | - | - | - | - | 5 | - | - | 0 |
| 2008-09 | Swe-Jr. | Frolunda Jr. | 22 | - | - | - | - | - | 67 | - | - | 1 |
| 2009-10 | OHL | Sault Ste. Marie | 47 | - | - | 27 | 13 | - | 120 | 1457 | 0.918 | 5 |
| 2009-10 | AHL | Binghamton | 2 | - | - | 2 | 0 | - | 6 | 59 | 0.898 | 0 |
| 2010-11 | NHL | Ottawa Senators | 8 | 0 | 2 | 1 | 4 | 0 | 20 | 178 | 0.888 | 0 |
| 2010-11 | AHL | Binghamton | 22 | - | - | 10 | 8 | - | 56 | 581 | 0.912 | 3 |
| 2011-12 | NHL | Ottawa Senators | 5 | 0 | 0 | 3 | 2 | 0 | 10 | 154 | 0.935 | 1 |
| 2011-12 | AHL | Binghamton | 40 | - | - | 13 | 22 | - | 119 | 1275 | 0.907 | 2 |
| 2012-13 | NHL | Ottawa Senators | 12 | 0 | 0 | 5 | 3 | 4 | 27 | 424 | 0.936 | 0 |
| 2012-13 | AHL | Binghamton | 31 | - | - | 18 | 10 | - | 65 | 1046 | 0.938 | 3 |
| 2013-14 | NHL | Ottawa Senators | 36 | 0 | 4 | 12 | 15 | 6 | 99 | 1141 | 0.913 | 1 |
| 2014-15 | NHL | Ottawa Senators | 25 | 1 | 0 | 9 | 12 | 3 | 74 | 779 | 0.905 | 0 |
| 2015-16 | NHL | Buffalo Sabres | 21 | 1 | 8 | 5 | 9 | 5 | 48 | 634 | 0.924 | 1 |
| 2015-16 | AHL | Rochester Americans | 3 | - | - | 1 | 2 | 0 | 10 | 89 | 0.888 | 0 |
| 2016-17 | NHL | Buffalo Sabres | 59 | 1 | 6 | 23 | 26 | 8 | 152 | 1910 | 0.920 | 2 |
| 2017-18 | NHL | Buffalo Sabres | 53 | 0 | 2 | 14 | 26 | 9 | 143 | 1560 | 0.908 | 3 |
| 2018-19 | NHL | New York Islanders | 46 | 1 | 0 | 25 | 13 | 5 | 93 | 1323 | 0.930 | 6 |
| 2019-20 | NHL | Chicago Blackhawks | 33 | 0 | 4 | 16 | 10 | 5 | 94 | 1152 | 0.918 | 0 |
| 2019-20 | NHL | Vegas Golden Knights | 3 | 0 | 0 | 3 | 0 | 0 | 5 | 83 | 0.940 | 1 |
| 2020-21 | NHL | Vegas Golden Knights | 19 | 1 | 0 | 13 | 4 | 2 | 44 | 505 | 0.913 | 1 |
| 2021-22 | NHL | Vegas Golden Knights | 44 | 1 | 10 | 23 | 17 | 2 | 120 | 1288 | 0.907 | 1 |
| NHL Totals | – | 364 | 6 | 36 | 152 | 141 | 49 | 929 | 11131 | 0.917 | 17 | |
| AHL Totals | – | 98 | - | - | 44 | 42 | 0 | 256 | 3050 | 0.916 | 8 | |
| Juniors Totals | – | 47 | - | - | 27 | 13 | - | 120 | 1457 | 0.918 | 5 | |
| 2007-08 | Swe-U18 | Frolunda U18 | 4 | - | - | - | - | - | 15 | - | - | 0 |
| 2008-09 | Swe-U18 | Frolunda U18 | 7 | - | - | - | - | - | 19 | - | - | 0 |
| 2008-09 | Swe-Jr. | Frolunda Jr. | 1 | - | - | - | - | - | 3 | - | - | 0 |
| 2009-10 | OHL | Sault Ste. Marie | 5 | - | - | 1 | 4 | - | 20 | 159 | 0.874 | 0 |
| 2010-11 | AHL | Binghamton | 19 | - | - | 14 | 4 | - | 39 | 639 | 0.939 | 3 |
| 2012-13 | NHL | Ottawa Senators | 2 | 0 | 0 | 0 | 1 | - | 2 | 25 | 0.920 | 0 |
| 2018-19 | NHL | New York Islanders | 8 | 0 | 2 | 4 | 4 | - | 15 | 233 | 0.936 | 0 |
| 2019-20 | NHL | Vegas Golden Knights | 16 | 0 | 0 | 9 | 7 | 0 | 32 | 386 | 0.917 | 4 |
| 2020-21 | NHL | Vegas Golden Knights | 3 | 0 | 0 | 1 | 2 | 0 | 11 | 97 | 0.887 | 0 |
| NHL Totals | – | 29 | 0 | 2 | 14 | 14 | 0 | 60 | 741 | 0.919 | 4 | |
| AHL Totals | – | 19 | - | - | 14 | 4 | - | 39 | 639 | 0.939 | 3 | |
| Juniors Totals | – | 5 | - | - | 1 | 4 | - | 20 | 159 | 0.874 | 0 | |
| Season | Opponent | Date | DEC | GS | GA | SA | SV% | PIM | TOI |
|---|---|---|---|---|---|---|---|---|---|
| Regular | vs WSH | Apr 20 | - | 1 | 1 | 13 | .923 | 0 | 20:00 |
| Regular | vs NJD | Apr 18 | L | 1 | 3 | 28 | .893 | 0 | 57:30 |
| Regular | @ VAN | Apr 12 | O | 1 | 5 | 27 | .815 | 0 | 59:47 |
| Regular | vs ARI | Apr 9 | W | 1 | 1 | 30 | .967 | 0 | 59:48 |
| Regular | vs VAN | Apr 6 | L | 1 | 5 | 31 | .839 | 0 | 60:00 |
| Year | Award |
|---|---|
| 2018-19 | Bill Masterton Memorial Trophy |
| 2020-21 | William M. Jennings Trophy |