| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 7 days | 1 | 4 | 6.75 | 1.50 | 4 | 2 |
| Last 30 days | 4 | 20 | 2.18 | 0.92 | 24 | 8 |
| 2026 season | 19 | 86 | 4.59 | 1.41 | 102 | 42 |
How Jack ranks vs qualified MLB pitchers in 2026. Higher percentile = better. The chip on each bar is the percentile (e.g. 11%ile means better than 11% of qualified players).
| Split | IP | ERA | WHIP | K | BB | HR |
|---|---|---|---|---|---|---|
| As starter | 86 | 4.59 | 1.41 | 102 | 42 | 11 |
| Home | 46 | 4.66 | 1.14 | 62 | 19 | 3 |
| Away | 40 | 4.50 | 1.73 | 40 | 23 | 8 |
Last appearance · Jul 20 · 82 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
Four-Seam FastballFF | 42 | 51% | 91.9 mph | 93.8 |
SliderSL | 19 | 23% | 84.6 mph | 86.5 |
Knuckle CurveKC | 16 | 20% | 76.5 mph | 78.5 |
ChangeupCH | 3 | 4% | 85.3 mph | 88.0 |
SinkerSI | 2 | 2% | 89.4 mph | 89.9 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-20 | @ Chicago Cubs | 4 | 4 | 3 | 3 | 2 | 4 | 2 | 4.59 |
| 2026-07-10 | vs Philadelphia Phillies | 6 | 2 |
| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2017 | St. Louis Cardinals | 0 | 2 | 6 | 21.1 | 6.33 | 1.55 | 20 | 10 | 4 | 8.44 | 4.22 |
| 2 |
| 2 |
| 3 |
| 6 |
| 1 |
| 4.48 |
| 2026-07-04 | @ Texas Rangers | 5 | 3 | 0 | 0 | 0 | 5 | 0 | 4.60 |
| 2026-06-28 | vs Houston Astros | 5 | 2 | 0 | 0 | 3 | 9 | 0 | 4.97 |
| 2026-06-12 | @ Cleveland Guardians | 3 | 3 | 2 | 2 | 1 | 1 | 0 | 5.35 |
| 2026-06-07 | vs Seattle Mariners | 5 | 6 | 3 | 3 | 1 | 7 | 0 | 5.31 |
| 2026-06-02 | @ Tampa Bay Rays | 5 | 5 | 0 | 0 | 2 | 6 | 0 | 5.31 |
| 2026-05-28 | vs Los Angeles Angels | 5 | 6 | 3 | 3 | 1 | 9 | 0 | 5.81 |
| 2026-05-22 | @ Baltimore Orioles | 3 | 8 | 6 | 3 | 0 | 7 | 2 | 5.94 |
| 2026-05-17 | vs Toronto Blue Jays | 6 | 5 | 4 | 4 | 0 | 4 | 1 | 5.77 |
| 2018 |
| St. Louis Cardinals |
| 8 |
| 9 |
| 28 |
| 151.0 |
| 3.34 |
| 1.11 |
| 182 |
| 59 |
| 20 |
| 10.85 |
| 3.52 |
| 2019 | St. Louis Cardinals | 11 | 8 | 33 | 196.1 | 2.75 | 0.97 | 231 | 55 | 25 | 10.59 | 2.52 |
| 2020 | St. Louis Cardinals | 4 | 3 | 9 | 40.1 | 4.91 | 1.21 | 49 | 16 | 6 | 10.93 | 3.57 |
| 2021 | St. Louis Cardinals | 9 | 2 | 17 | 78.1 | 3.22 | 1.06 | 85 | 26 | 12 | 9.77 | 2.99 |
| 2022 | St. Louis Cardinals | 2 | 1 | 9 | 36.0 | 4.25 | 1.61 | 33 | 22 | 4 | 8.25 | 5.50 |
| 2023 | St. Louis Cardinals | 7 | 6 | 20 | 109.2 | 4.43 | 1.55 | 106 | 54 | 10 | 8.70 | 4.43 |
| 2023 | Baltimore Orioles | 1 | 3 | 9 | 34.2 | 6.75 | 1.67 | 42 | 12 | 7 | 10.90 | 3.12 |
| 2023 | 8 | 9 | 29 | 144.1 | 4.99 | 1.58 | 148 | 66 | 17 | 9.23 | 4.12 |
| 2024 | Detroit Tigers | 7 | 5 | 18 | 106.2 | 2.95 | 0.96 | 133 | 19 | 15 | 11.22 | 1.60 |
| 2024 | Los Angeles Dodgers | 6 | 2 | 10 | 55.1 | 3.58 | 1.28 | 61 | 19 | 9 | 9.92 | 3.09 |
| 2024 | 13 | 7 | 28 | 162.0 | 3.17 | 1.07 | 194 | 38 | 24 | 10.78 | 2.11 |
| 2025 | Detroit Tigers | 8 | 15 | 31 | 161.0 | 4.64 | 1.28 | 188 | 59 | 23 | 10.51 | 3.30 |
| 2026 | Detroit Tigers | 3 | 8 | 19 | 86.1 | 4.59 | 1.41 | 102 | 42 | 11 | 10.63 | 4.38 |
| Career | — | 66 | 64 | 209 | 1077.0 | 3.86 | 1.22 | 1,232 | 393 | 146 | 10.30 | 3.28 |
