| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 7 days | 1 | 6 | 1.50 | 1.00 | 3 | 1 |
| Last 30 days | 5 | 25 | 4.62 | 1.46 | 20 | 7 |
| 2026 season | 10 | 55 | 3.93 | 1.20 | 47 | 16 |
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 | 55 | 3.93 | 1.20 | 47 | 16 | 8 |
| Home | 31 | 4.60 | 1.28 | 31 | 9 | 6 |
| Away | 23 | 3.04 | 1.10 | 16 | 7 | 2 |
Last appearance · May 17 · 92 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
Four-Seam FastballFF | 47 | 51% | 91.6 mph | 93.4 |
ChangeupCH | 26 | 28% | 80.2 mph | 81.9 |
SliderSL | 14 | 15% | 83.8 mph | 87.4 |
SweeperST | 3 | 3% | 77.9 mph | 79.2 |
CutterFC | 2 | 2% | 90.0 mph | 90.6 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-17 | vs San Francisco Giants | 6 | 5 | 2 | 1 | 1 | 3 | 1 | 3.93 |
| 2026-05-12 | vs St. Louis Cardinals | 5 | 7 | 4 | 4 |
| 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 |
| 2019 | Texas Rangers |
| 3 |
| 5 |
| 0 |
| 4.22 |
| 2026-05-06 | @ Philadelphia Phillies | 5 | 8 | 2 | 2 | 0 | 4 | 1 | 3.89 |
| 2026-04-30 | vs Kansas City Royals | 3 | 5 | 2 | 2 | 1 | 4 | 1 | 3.96 |
| 2026-04-25 | @ Texas Rangers | 6 | 5 | 4 | 4 | 2 | 4 | 1 | 3.79 |
| 2026-04-19 | vs Chicago White Sox | 5 | 9 | 7 | 7 | 1 | 7 | 4 | 3.34 |
| 2026-04-14 | vs Texas Rangers | 6 | 3 | 1 | 1 | 2 | 5 | 0 | 1.46 |
| 2026-04-09 | @ New York Yankees | 7 | 1 | 0 | 0 | 2 | 6 | 0 | 1.47 |
| 2026-04-03 | vs Houston Astros | 6 | 2 | 1 | 1 | 1 | 7 | 0 | 2.38 |
| 2026-03-28 | @ Toronto Blue Jays | 5 | 5 | 2 | 2 | 3 | 2 | 0 | 3.38 |
| 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 | 4 | 10 | 55.0 | 3.93 | 1.20 | 47 | 16 | 8 | 7.69 | 2.62 |
| Career | — | 37 | 27 | 187 | 539.2 | 3.67 | 1.23 | 544 | 174 | 78 | 9.07 | 2.90 |
