| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 7 days | 1 | 3 | 16.20 | 2.10 | 4 | 2 |
| Last 30 days | 5 | 24 | 6.93 | 1.42 | 20 | 9 |
| 2026 season | 28 | 138 | 6.18 | 1.47 | 109 | 56 |
How Jeffrey 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 | 138 | 6.18 | 1.47 | 109 | 56 | 33 |
| Home | 72 | 6.94 | 1.61 | 64 | 30 | 21 |
| Away | 65 | 5.35 | 1.31 | 45 | 26 | 12 |
Last appearance · Sep 17 · 66 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
Four-Seam FastballFF | 27 | 41% | 91.4 mph | 92.5 |
ChangeupCH | 20 | 30% | 79.7 mph | 81.0 |
CutterFC | 10 | 15% | 87.2 mph | 88.5 |
SliderSL | 6 | 9% | 85.4 mph | 87.2 |
SweeperST | 3 | 5% | 79.5 mph | 81.7 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-09-17 | @ Tampa Bay Rays | 3 | 5 | 6 | 6 | 2 | 4 | 0 | 6.18 |
| 2026-09-11 | vs Seattle Mariners | 5 | 6 |
| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2018 | Texas Rangers | 1 | 1 | 18 | 32.0 | 3.38 | 1.44 | 31 | 14 | 4 | 8.72 | 3.94 |
| 2 |
| 2 |
| 2 |
| 1 |
| 0 |
| 5.93 |
| 2026-09-05 | @ Seattle Mariners | 7 | 2 | 0 | 0 | 2 | 6 | 0 | 6.02 |
| 2026-08-30 | vs Baltimore Orioles | 4 | 6 | 7 | 7 | 1 | 6 | 3 | 6.37 |
| 2026-08-24 | vs Minnesota Twins | 4 | 7 | 4 | 4 | 2 | 3 | 1 | 6.08 |
| 2026-08-19 | @ Kansas City Royals | 5 | 5 | 2 | 2 | 3 | 1 | 1 | 6.02 |
| 2026-07-31 | vs Detroit Tigers | 4 | 4 | 2 | 2 | 5 | 2 | 1 | 6.17 |
| 2026-07-26 | @ Minnesota Twins | 1 | 4 | 5 | 4 | 1 | 0 | 0 | 6.23 |
| 2026-07-20 | @ Arizona Diamondbacks | 5 | 6 | 2 | 2 | 1 | 2 | 1 | 5.96 |
| 2026-07-08 | @ Detroit Tigers | 4 | 6 | 6 | 6 | 4 | 4 | 2 | 6.08 |
| 2019 |
| Texas Rangers |
| 4 |
| 1 |
| 25 |
| 32.1 |
| 6.40 |
| 1.89 |
| 32 |
| 23 |
| 4 |
| 8.91 |
| 6.40 |
| 2020 | Boston Red Sox | 0 | 2 | 16 | 20.1 | 7.08 | 1.82 | 28 | 7 | 5 | 12.39 | 3.10 |
| 2021 | Tampa Bay Rays | 5 | 1 | 43 | 44.2 | 3.43 | 1.10 | 63 | 14 | 9 | 12.69 | 2.82 |
| 2022 | Tampa Bay Rays | 9 | 5 | 33 | 135.1 | 2.46 | 1.07 | 144 | 31 | 14 | 9.58 | 2.06 |
| 2023 | Tampa Bay Rays | 2 | 0 | 3 | 16.0 | 0.56 | 0.50 | 24 | 4 | 1 | 13.50 | 2.25 |
| 2024 | Tampa Bay Rays | 2 | 2 | 7 | 33.0 | 3.27 | 1.36 | 37 | 11 | 5 | 10.09 | 3.00 |
| 2025 | Athletics | 11 | 11 | 32 | 171.0 | 4.11 | 1.21 | 138 | 54 | 28 | 7.26 | 2.84 |
| 2026 | Athletics | 4 | 14 | 28 | 138.1 | 6.18 | 1.47 | 109 | 56 | 33 | 7.09 | 3.64 |
| Career | — | 38 | 37 | 205 | 623.0 | 4.20 | 1.29 | 606 | 214 | 103 | 8.75 | 3.09 |
