| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 7 days | 1 | 6 | 1.50 | 0.83 | 4 | 0 |
| Last 30 days | 5 | 25 | 3.16 | 1.32 | 27 | 10 |
| 2026 season | 36 | 116 | 5.90 | 1.45 | 131 | 48 |
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 | 76 | 6.48 | 1.57 | 86 | 33 | 16 |
| In relief | 39 | 4.76 | 1.21 | 45 | 15 | 4 |
| Home | 60 | 7.05 | 1.58 | 68 | 25 | 14 |
| Away | 56 | 4.66 |
Last appearance · Sep 20 · 80 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
ChangeupCH | 22 | 28% | 90.5 mph | 92.9 |
CutterFC | 17 | 21% | 93.9 mph | 95.6 |
SweeperST | 16 | 20% | 87.2 mph | 88.9 |
Four-Seam FastballFF | 13 | 16% | 95.8 mph | 96.8 |
SinkerSI | 9 | 11% | 95.7 mph | 96.8 |
SliderSL | 3 | 4% | 85.9 mph | 87.5 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-20 | @ Cleveland Guardians | 6 | 5 | 1 | 1 | 0 | 4 | 0 | 5.90 |
| 2026-09-15 | @ Tampa Bay Rays | 6 | 4 |
| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Athletics | 3 | 2 | 12 | 38.2 | 4.19 | 1.16 | 37 | 18 | 4 | 8.61 | 4.19 |
| 1.30 |
| 63 |
| 23 |
| 6 |
| 1 |
| 0 |
| 1 |
| 8 |
| 0 |
| 6.14 |
| 2026-09-08 | vs Toronto Blue Jays | 5 | 7 | 4 | 4 | 0 | 3 | 2 | 6.53 |
| 2026-09-03 | @ Seattle Mariners | 3 | 4 | 3 | 3 | 5 | 7 | 0 | 6.50 |
| 2026-08-29 | vs Baltimore Orioles | 5 | 4 | 2 | 1 | 4 | 5 | 1 | 6.42 |
| 2026-08-23 | @ Houston Astros | 5 | 3 | 3 | 1 | 5 | 6 | 1 | 6.68 |
| 2026-08-18 | @ Kansas City Royals | 3 | 1 | 0 | 0 | 1 | 4 | 0 | 6.96 |
| 2026-08-12 | vs Tampa Bay Rays | 5 | 12 | 7 | 6 | 1 | 2 | 1 | 7.27 |
| 2026-08-07 | @ Boston Red Sox | 3 | 5 | 5 | 5 | 3 | 3 | 1 | 7.04 |
| 2026-08-01 | vs Detroit Tigers | 5 | 9 | 6 | 6 | 1 | 9 | 3 | 6.72 |
| 2026 |
| Athletics |
| 3 |
| 12 |
| 36 |
| 116.0 |
| 5.90 |
| 1.45 |
| 131 |
| 48 |
| 20 |
| 10.16 |
| 3.72 |
| Career | — | 6 | 14 | 48 | 154.2 | 5.47 | 1.38 | 168 | 66 | 24 | 9.78 | 3.84 |
