| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 7 days | 1 | 5 | 3.60 | 1.40 | 2 | 1 |
| Last 30 days | 4 | 20 | 7.65 | 1.70 | 14 | 11 |
| 2026 season | 20 | 102 | 5.96 | 1.42 | 86 | 38 |
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 | 102 | 5.96 | 1.42 | 86 | 38 | 27 |
| Home | 54 | 6.79 | 1.55 | 52 | 20 | 16 |
| Away | 48 | 5.03 | 1.28 | 34 | 18 | 11 |
Last appearance · Jul 20 · 78 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
Four-Seam FastballFF | 33 | 42% | 91.5 mph | 93.3 |
ChangeupCH | 24 | 31% | 79.7 mph | 81.4 |
SliderSL | 11 | 14% | 85.4 mph | 88.0 |
SweeperST | 9 | 12% | 78.2 mph | 79.5 |
CutterFC | 1 | 1% | 89.2 mph | 89.2 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-20 | @ Arizona Diamondbacks | 5 | 6 | 2 | 2 | 1 | 2 | 1 | 5.96 |
| 2026-07-08 | @ Detroit Tigers | 4 | 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 |
| 6 |
| 6 |
| 4 |
| 4 |
| 2 |
| 6.08 |
| 2026-06-30 | vs Los Angeles Dodgers | 5 | 8 | 6 | 6 | 4 | 2 | 2 | 5.79 |
| 2026-06-25 | @ San Francisco Giants | 5 | 3 | 3 | 3 | 2 | 6 | 1 | 5.52 |
| 2026-06-19 | vs Los Angeles Angels | 3 | 4 | 6 | 6 | 4 | 4 | 2 | 5.55 |
| 2026-06-14 | vs Colorado Rockies | 4 | 7 | 8 | 6 | 0 | 5 | 3 | 5.13 |
| 2026-06-08 | vs Milwaukee Brewers | 5 | 8 | 5 | 5 | 2 | 3 | 2 | 4.68 |
| 2026-06-03 | @ Chicago Cubs | 3 | 7 | 4 | 4 | 1 | 3 | 2 | 4.37 |
| 2026-05-27 | vs Seattle Mariners | 5 | 6 | 5 | 2 | 1 | 7 | 1 | 4.07 |
| 2026-05-22 | @ San Diego Padres | 6 | 3 | 4 | 4 | 3 | 3 | 3 | 4.11 |
| 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 | 3 | 9 | 20 | 102.2 | 5.96 | 1.42 | 86 | 38 | 27 | 7.54 | 3.33 |
| Career | — | 37 | 32 | 197 | 587.1 | 4.05 | 1.27 | 583 | 196 | 97 | 8.93 | 3.00 |
