Drafted 62 overall (2016 Round 3, Pick 1) by the Toronto Maple Leafs. View all Toronto Maple Leafs 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 |
| 2010-11 | St. Louis Jr. Blues | QC-INT-PW | — | — | — | — | — | — | — | — | 2 | — | — | — | — | 0.00 | 1.000 | — |
| 2013-14 | St.L. AAA Blues | T1EHL | 18 | 13 | 4 | — | 31 | 1.71 | — | 3 | — | — | — | — | — | — | — | — |
| 2014-15 | U.S. National U17 Team | USDP | 29 | — | — | — | 92 | 3.48 | 0.886 | 0 | — | — | — | — | — | — | — | — |
| 2014-15 | USA U17 | WHC-17 | 3 | 3 | 0 | 0 | 7 | 2.33 | 0.905 | 0 | — | — | — | — | — | — | — | — |
| 2014-15 | USNTDP Juniors | USHL | 18 | 3 | 15 | 0 | 69 | 4.21 | 0.878 | 0 | — | — | — | — | — | — | — | — |
| 2014-15 | USNTDP | U-17 | 11 | 6 | 3 | — | 23 | 2.29 | — | 0 | — | — | — | — | — | — | — | — |
| 2015-16 | USNTDP Juniors | USHL | 12 | 6 | 4 | 1 | 29 | 2.60 | 0.898 | 0 | — | — | — | — | — | — | — | — |
| 2015-16 | U.S. National U18 Team | USDP | 33 | — | — | — | 66 | 2.14 | 0.918 | 2 | — | — | — | — | — | — | — | — |
| 2015-16 | USA U18 | WJC-18 | 3 | 2 | 1 | — | 4 | 1.34 | 0.947 | 1 | — | — | — | — | — | — | — | — |
| 2015-16 | USAHNTDP | U-18 | 21 | 14 | 2 | — | 37 | 1.88 | — | 2 | — | — | — | — | — | — | — | — |
| 2016-17 | Boston College | NCAA | 34 | 17 | 13 | — | 87 | 2.64 | 0.913 | 1 | — | — | — | — | — | — | — | — |
| 2016-17 | USA U20 | WJC-20 | 2 | 2 | 0 | — | 3 | 1.50 | 0.935 | 0 | — | — | — | — | — | — | — | — |
| 2017-18 | Boston College | NCAA | 30 | 17 | 11 | — | 74 | 2.48 | 0.915 | 2 | — | — | — | — | — | — | — | — |
| 2017-18 | USA U20 | WJC-20 | 5 | 3 | 2 | — | 13 | 2.71 | 0.886 | 1 | — | — | — | — | — | — | — | — |
| 2018-19 | Boston College | NCAA | 37 | 13 | 21 | 3 | 88 | 2.41 | 0.919 | 3 | — | — | — | — | — | — | — | — |
| 2019-20 | Toronto Marlies | AHL | 32 | 11 | 16 | 2 | 109 | 3.75 | 0.880 | 2 | — | — | — | — | — | — | — | — |
| 2020-21 | Toronto Marlies | AHL | 15 | 7 | 7 | 0 | 47 | 3.54 | 0.892 | 1 | — | — | — | — | — | — | — | — |
| 2021-22 | Toronto Marlies | AHL | 15 | 6 | 7 | 0 | 43 | 3.36 | 0.907 | 0 | — | — | — | — | — | — | — | — |
| 2021-22 | Toronto Maple Leafs | NHL | 4 | 3 | 1 | 0 | 11 | 2.75 | 0.911 | 1 | — | — | — | — | — | — | — | — |
| 2022-23 | Toronto Marlies | AHL | 21 | 16 | 4 | 1 | 49 | 2.37 | 0.927 | 0 | 1 | 0 | 1 | 1 | 7 | 7.40 | 0.800 | 0 |
| 2022-23 | Toronto Maple Leafs | NHL | 7 | 6 | 1 | 0 | 15 | 2.16 | 0.932 | 0 | 4 | 1 | 2 | 0 | 8 | 2.43 | 0.915 | 0 |
| 2023-24 | Toronto Maple Leafs | NHL | 25 | 12 | 11 | 1 | 72 | 2.94 | 0.907 | 0 | 3 | 2 | 0 | 0 | 2 | 0.86 | 0.964 | 0 |
| 2023-24 | Toronto Marlies | AHL | 1 | 1 | 0 | 0 | 1 | 1.00 | 0.973 | 0 | — | — | — | — | — | — | — | — |
| 2024-25 | Toronto Maple Leafs | NHL | 42 | 27 | 14 | 1 | 111 | 2.73 | 0.909 | 1 | 7 | 3 | 4 | 0 | 23 | 3.56 | 0.886 | 1 |
| 2025-26 | Toronto Maple Leafs | NHL | 39 | 15 | 16 | 7 | 124 | 3.34 | 0.899 | 2 | — | — | — | — | — | — | — | — |
| 2025-26 | Toronto Marlies | AHL | 2 | 0 | 1 | 1 | 6 | 3.72 | 0.885 | 0 | — | — | — | — | — | — | — | — |
| Totals | 459 | 203 | 154 | 17 | 1211 | 2.79 | 0.906 | 22 | 17 | 6 | 7 | 1 | 40 | 3.07 | 0.896 | 1 | ||