| Date | Team | Opp | Result | Dec | GS | IP | AB | BF | H | R | ER | HR | BB | IBB | SO | HBP | SH | SF | WP | BK | ERA | WHIP | K/9 | BB/9 | FIP | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | ||||||||||||||||||||||||||
| Season Total 2-3 | 8 | 35.2 | 131 | 156 | 31 | 26 | 26 | 5 | 18 | — | 44 | 5 | — | 2 | 4 | — | 6.56 | 1.37 | 11.10 | 4.54 | 4.91 | 66 |
| Year | Level | Team | Org | G | PA | AB | R | H | TB | 2B | 3B | HR | RBI | BB | SO | SB | CS | HBP | SF | SAC | GIDP | AVG | OBP | SLG | OPS | BABIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 | MLB | Washington Nationals | Washington Nationals | 68 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2024 | MLB | Washington Nationals | Washington Nationals | 65 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.000 | 0.000 | 0.000 | 0.000 | — |
| 2021–2024 | MLB | Career (2 yrs) | 133 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | — | — | — | — | — |
| Year | Level | Team | Org | G | GS | IP | H | R | ER | BB | SO | HR | W | L | SV | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2014 | AA | Midland | Oakland Athletics | 1 | 1 | 5.1 | 10 | 7 | 7 | 1 | 6 | 3 | 0 | 1 | 0 | 11.81 | 2.06 | 10.13 |
| 2016 | AA | Midland | Oakland Athletics | 30 | 0 | 42.0 | 31 | 13 | 10 | 20 | 41 | 3 | 1 | 3 | 6 | 2.14 | 1.21 | 8.79 |
| 2017 | AA | Midland | Oakland Athletics | 29 | 0 | 36.2 | 36 | 13 | 13 | 8 | 36 | 4 | 1 | 3 | 9 | 3.19 | 1.20 | 8.84 |
| 2017 | AAA | Nashville | Oakland Athletics | 17 | 0 | 23.2 | 25 | 18 | 13 | 17 | 21 | 4 | 1 | 1 | 3 | 4.94 | 1.77 | 7.99 |
| 2018 | AA | Midland | Oakland Athletics | 21 | 0 | 25.0 | 18 | 11 | 6 | 11 | 28 | 0 | 1 | 1 | 13 | 2.16 | 1.16 | 10.08 |
| 2018 | AAA | Nashville | Oakland Athletics | 13 | 0 | 17.2 | 22 | 16 | 14 | 7 | 17 | 2 | 0 | 2 | 1 | 7.13 | 1.64 | 8.66 |
| 2019 | AA | Midland | Oakland Athletics | 21 | 0 | 22.2 | 16 | 5 | 4 | 7 | 36 | 0 | 0 | 1 | 9 | 1.59 | 1.01 | 14.29 |
| 2019 | AAA | Las Vegas | Oakland Athletics | 21 | 0 | 28.0 | 23 | 10 | 9 | 12 | 36 | 3 | 3 | 1 | 5 | 2.89 | 1.25 | 11.57 |
| 2020 | MLB | Washington Nationals | Washington Nationals | 25 | 0 | 24.2 | 21 | 10 | 8 | 13 | 27 | 2 | 1 | 0 | 0 | 2.92 | 1.38 | 9.85 |
| 2021 | MLB | Washington Nationals | Washington Nationals | 68 | 0 | 66.0 | 64 | 39 | 26 | 34 | 68 | 9 | 5 | 9 | 11 | 3.55 | 1.48 | 9.27 |
| 2022 | MLB | Washington Nationals | Washington Nationals | 66 | 0 | 66.2 | 54 | 28 | 26 | 22 | 70 | 9 | 6 | 4 | 11 | 3.51 | 1.14 | 9.45 |
| 2023 | MLB | Washington Nationals | Washington Nationals | 67 | 0 | 69.1 | 66 | 33 | 29 | 24 | 63 | 11 | 7 | 5 | 28 | 3.76 | 1.30 | 8.18 |
| 2024 | MLB | Washington Nationals | Washington Nationals | 65 | 0 | 63.2 | 61 | 31 | 26 | 24 | 60 | 9 | 3 | 8 | 38 | 3.68 | 1.34 | 8.48 |
| 2025 | AAA | Toledo | Detroit Tigers | 1 | 1 | 0.2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0.00 | 1.50 | 13.50 |
| 2025 | MLB | 2 Teams | 2 Teams | 56 | 0 | 57.0 | 45 | 24 | 22 | 18 | 55 | 4 | 4 | 4 | 24 | 3.47 | 1.11 | 8.68 |
| 2026 | MLB | Detroit Tigers | Detroit Tigers | 56 | 0 | 55.0 | 53 | 20 | 20 | 32 | 43 | 8 | 2 | 0 | 2 | 3.27 | 1.55 | 7.04 |
| 2020–2026 | MLB | Career (7 yrs) | 403 | 0 | 402.1 | 364 | 185 | 157 | 167 | 386 | 52 | 28 | 30 | 114 | 3.51 | 1.32 | 8.63 | |
| 2017–2025 | AAA | Career (4 yrs) | 52 | 1 | 70.0 | 70 | 44 | 36 | 37 | 75 | 9 | 4 | 4 | 9 | 4.63 | 1.53 | 9.64 | |
| 2014–2019 | AA | Career (5 yrs) | 102 | 1 | 131.2 | 111 | 49 | 40 | 47 | 147 | 10 | 3 | 9 | 37 | 2.73 | 1.20 | 10.05 |