| 2010-11 | OHL | Sault Ste. Marie Greyhounds | 28 | 8 | 11 | 3 | 1 | 0 | 3.79 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2011-12 | OHL | Sault Ste. Marie Greyhounds | 36 | 13 | 19 | 1 | 0 | 0 | 4.08 | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| 2012-13 | OHL | Sault Ste. Marie Greyhounds | 53 | 26 | 19 | 4 | 2 | 1682 | 3.67 | 0.894 | 6 | 2 | 4 | 0 | 1 | 188 | 2.67 | 0.910 |
| 2013-14 | OHL | Sault Ste. Marie Greyhounds | 49 | 32 | 11 | 1 | 6 | 1620 | 2.57 | 0.921 | 9 | 4 | 3 | 2 | 1 | 281 | 2.63 | 0.915 |
| 2013-14 | AHL | Wilkes-Barre/Scranton Penguins | 1 | 0 | 1 | 0 | 0 | 25 | 2.00 | 0.920 | 1 | 0 | 0 | 0 | 0 | 8 | -- | 1.000 |
| 2014-15 | AHL | Wilkes-Barre/Scranton Penguins | 40 | 25 | 10 | 4 | 12 | 1029 | 1.58 | 0.941 | 8 | 4 | 4 | 0 | 1 | 235 | 2.37 | 0.923 |
| 2015-16 | AHL | Wilkes-Barre/Scranton Penguins | 31 | 20 | 9 | 1 | 4 | 932 | 2.10 | 0.931 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2015-16 | NHL | Pittsburgh Penguins | 13 | 9 | 2 | 1 | 1 | 355 | 2.00 | 0.930 | 21 | 15 | 6 | 0 | 1 | 575 | 2.08 | 0.923 |
| 2016-17 | NHL | Pittsburgh Penguins | 49 | 32 | 10 | 4 | 4 | 1450 | 2.41 | 0.923 | 11 | 7 | 3 | 0 | 3 | 303 | 1.70 | 0.937 |
| 2017-18 | NHL | Pittsburgh Penguins | 49 | 27 | 16 | 3 | 1 | 1423 | 2.92 | 0.907 | 12 | 6 | 6 | 0 | 2 | 314 | 2.43 | 0.908 |
| 2018-19 | NHL | Pittsburgh Penguins | 50 | 29 | 14 | 6 | 4 | 1594 | 2.69 | 0.919 | 4 | 0 | 4 | 0 | 0 | 127 | 3.02 | 0.906 |
| 2019-20 | NHL | Pittsburgh Penguins | 38 | 20 | 11 | 5 | 1 | 1055 | 2.87 | 0.899 | 3 | 1 | 2 | 0 | 0 | 93 | 2.50 | 0.914 |
| 2020-21 | NHL | Ottawa Senators | 27 | 10 | 13 | 1 | 2 | 738 | 3.38 | 0.893 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2021-22 | AHL | Belleville Senators | 2 | 1 | 1 | 0 | 0 | 61 | 2.55 | 0.918 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2021-22 | NHL | Ottawa Senators | 20 | 5 | 12 | 2 | 1 | 640 | 3.05 | 0.906 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2022-23 | NHL | Toronto Maple Leafs | 26 | 14 | 8 | 2 | 1 | 761 | 3.01 | 0.903 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2023-24 | AHL | Toronto Marlies | 3 | 1 | 2 | 0 | 0 | 78 | 4.03 | 0.846 | -- | -- | -- | -- | -- | -- | -- | -- |
| 2024-25 | AHL | Toronto Marlies | 21 | 10 | 5 | 4 | 3 | 498 | 1.72 | 0.934 | 1 | 0 | 1 | 6 | 0 | 50 | 2.42 | 0.920 |
| 2024-25 | NHL | Toronto Maple Leafs | 2 | 1 | 1 | 0 | 0 | 58 | 3.54 | 0.879 | 1 | 0 | 0 | 0 | 0 | 7 | 4.41 | 0.857 |
| 2025-26 | NHL | Seattle Kraken | 5 | 0 | 2 | 1 | 0 | 102 | 2.21 | 0.922 | -- | -- | -- | -- | -- | -- | -- | -- |
| NHL TOTALS | 279 | 147 | 89 | 25 | 15 | 8176 | 2.79 | 0.910 | 52 | 29 | 21 | 0 | 6 | 1419 | 2.19 | 0.920 |