| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 7 days | 1 | 5 | 0.00 | 1.20 | 7 | 4 |
| Last 30 days | 7 | 17 | 3.12 | 1.27 | 16 | 7 |
| 2026 season | 16 | 31 | 2.61 | 1.10 | 30 | 12 |
How Kai-Wei 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 | 11 | 4.09 | 1.55 | 10 | 5 | 0 |
| In relief | 20 | 1.80 | 0.85 | 20 | 7 | 3 |
| Home | 16 | 1.69 | 1.06 | 17 | 8 | 2 |
| Away | 15 | 3.60 | 1.13 |
Last appearance · May 16 · 76 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
SweeperST | 24 | 32% | 84.2 mph | 86.1 |
Four-Seam FastballFF | 21 | 28% | 93.1 mph | 95.2 |
SinkerSI | 15 | 20% | 93.6 mph | 94.9 |
ChangeupCH | 11 | 14% | 87.4 mph | 88.6 |
CurveballCU | 5 | 7% | 83.3 mph | 85.2 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-05-16 | vs Texas Rangers | 5 | 2 | 0 | 0 | 4 | 7 | 0 | 2.61 |
| 2026-05-10 | @ Cincinnati Reds | 3 | 5 | 3 | 3 | 1 |
| Year | Team | W | L | G | IP | ERA | WHIP | K | BB | HR | K/9 | BB/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2024 | San Francisco Giants | 0 | 0 | 4 | 11.0 | 9.82 | 2.09 | 7 | 8 | 2 | 5.73 | 6.55 |
| 2025 | San Francisco Giants |
| 13 |
| 4 |
| 1 |
| 1 |
| 0 |
| 3.12 |
| 2026-05-04 | vs Los Angeles Dodgers | 2 | 1 | 0 | 0 | 0 | 2 | 0 | 2.35 |
| 2026-05-02 | @ Boston Red Sox | 1 | 0 | 0 | 0 | 1 | 2 | 0 | 2.57 |
| 2026-04-28 | @ Baltimore Orioles | 3 | 5 | 2 | 2 | 0 | 2 | 0 | 2.75 |
| 2026-04-25 | vs New York Yankees | 0 | 2 | 1 | 1 | 0 | 0 | 1 | 2.16 |
| 2026-04-21 | @ Cleveland Guardians | 2 | 0 | 0 | 0 | 1 | 2 | 0 | 1.65 |
| 2026-04-19 | vs St. Louis Cardinals | 2 | 1 | 0 | 0 | 1 | 3 | 0 | 1.98 |
| 2026-04-16 | vs Colorado Rockies | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 2.31 |
| 2026-04-14 | vs Colorado Rockies | 1 | 0 | 1 | 1 | 2 | 2 | 0 | 2.79 |
| 2 |
| 4 |
| 8 |
| 29.2 |
| 6.37 |
| 1.55 |
| 39 |
| 17 |
| 2 |
| 11.83 |
| 5.16 |
| 2026 | Houston Astros | 2 | 3 | 16 | 31.0 | 2.61 | 1.10 | 30 | 12 | 3 | 8.71 | 3.48 |
| Career | — | 4 | 7 | 28 | 71.2 | 5.27 | 1.44 | 76 | 37 | 7 | 9.54 | 4.65 |
