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 |
|---|---|---|---|---|---|---|
| In relief | 8 | 3.38 | 1.25 | 6 | 2 | 1 |
| In relief | 4 | 0.00 | 0.69 | 6 | 1 | 0 |
| In relief | 12 | 2.19 | 1.05 | 12 | 3 | 1 |
| Home | 5 | 3.60 |
Last appearance · Jul 28 · 13 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
SplitterFS | 5 | 38% | 82.0 mph | 82.7 |
SliderSL | 3 | 23% | 86.1 mph | 86.9 |
Four-Seam FastballFF | 3 | 23% | 91.6 mph | 91.9 |
SweeperST | 2 | 15% | 82.3 mph | 82.8 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-28 | vs Kansas City Royals | 1 | 1 | 0 | 0 | 0 | 2 | 0 | 2.19 |
| 2026-07-24 | vs Athletics | 1 | 1 |
| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Boston Red Sox | 0 | 0 | 3 | 8.0 | 3.38 | 1.25 | 6 | 2 | 1 | 6.75 | 2.25 |
| 1.60 |
| 2 |
| 1 |
| 0 |
| Home | 2 | 0.00 | 1.00 | 4 | 0 | 0 |
| Home | 7 | 2.57 | 1.43 | 6 | 1 | 0 |
| Away | 2 | 0.00 | 0.43 | 2 | 1 | 0 |
| Away | 3 | 3.00 | 0.67 | 4 | 1 | 1 |
| Away | 5 | 1.69 | 0.56 | 6 | 2 | 1 |
| 0 |
| 0 |
| 0 |
| 2 |
| 0 |
| 2.38 |
| 2026-07-23 | @ Cleveland Guardians | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 2.61 |
| 2026-07-21 | @ Cleveland Guardians | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2.89 |
| 2026-04-21 | vs New York Yankees | 2 | 4 | 1 | 1 | 0 | 2 | 0 | 3.38 |
| 2026-04-19 | vs Detroit Tigers | 3 | 3 | 1 | 1 | 1 | 0 | 0 | 3.00 |
| 2026-04-14 | @ Minnesota Twins | 3 | 1 | 1 | 1 | 1 | 4 | 1 | 3.00 |
| 2026 |
| Minnesota Twins |
| 1 |
| 0 |
| 4 |
| 4.1 |
| 0.00 |
| 0.69 |
| 6 |
| 1 |
| 0 |
| 12.46 |
| 2.08 |
| 2026 | 1 | 0 | 7 | 12.1 | 2.19 | 1.05 | 12 | 3 | 1 | 8.76 | 2.19 |
| Career | — | 1 | 0 | 7 | 12.1 | 2.19 | 1.05 | 12 | 3 | 1 | 8.76 | 2.19 |