| Window | G | IP | ERA | WHIP | K | BB |
|---|---|---|---|---|---|---|
| Last 7 days | 1 | 2 | 0.00 | 0.86 | 3 | 1 |
| Last 30 days | 2 | 6 | 6.00 | 1.83 | 4 | 2 |
| 2026 season | 24 | 66 | 4.21 | 1.34 | 66 | 29 |
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 | 44 | 5.52 | 1.59 | 43 | 21 | 7 |
| In relief | 22 | 1.61 | 0.85 | 23 | 8 | 3 |
| Home | 37 | 3.82 | 1.27 | 41 | 18 | 8 |
| Away | 28 | 4.71 |
Last appearance · Jul 19 · 46 pitches
| Pitch | Count | Usage | Avg Velo | Max |
|---|---|---|---|---|
SweeperST | 23 | 50% | 83.4 mph | 84.6 |
Four-Seam FastballFF | 12 | 26% | 92.5 mph | 93.3 |
SinkerSI | 4 | 9% | 92.0 mph | 92.4 |
CurveballCU | 4 | 9% | 82.7 mph | 83.4 |
ChangeupCH | 3 | 7% | 86.0 mph | 87.7 |
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| 2026-07-19 | vs Baltimore Orioles | 2 | 1 | 0 | 0 | 1 | 3 | 0 | 4.21 |
| 2026-06-27 | @ Detroit Tigers | 3 | 8 |
| 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 |
| 1.43 |
| 25 |
| 11 |
| 2 |
| 5 |
| 4 |
| 1 |
| 1 |
| 1 |
| 4.36 |
| 2026-06-21 | vs Cleveland Guardians | 6 | 4 | 1 | 1 | 1 | 4 | 0 | 4.03 |
| 2026-06-15 | vs Detroit Tigers | 3 | 6 | 5 | 5 | 2 | 9 | 3 | 4.31 |
| 2026-06-09 | @ Los Angeles Angels | 4 | 7 | 7 | 5 | 3 | 5 | 0 | 3.71 |
| 2026-06-04 | vs Pittsburgh Pirates | 5 | 7 | 5 | 4 | 2 | 1 | 1 | 3.06 |
| 2026-05-29 | vs Milwaukee Brewers | 5 | 3 | 3 | 3 | 4 | 7 | 2 | 2.57 |
| 2026-05-23 | @ Chicago Cubs | 6 | 2 | 0 | 0 | 3 | 6 | 0 | 2.19 |
| 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 | 1 | 0 | 3.12 |
| 2025 |
| San Francisco Giants |
| 2 |
| 4 |
| 8 |
| 29.2 |
| 6.37 |
| 1.55 |
| 39 |
| 17 |
| 2 |
| 11.83 |
| 5.16 |
| 2026 | Houston Astros | 4 | 6 | 24 | 66.1 | 4.21 | 1.34 | 66 | 29 | 10 | 8.95 | 3.93 |
| Career | — | 6 | 10 | 36 | 107.0 | 5.38 | 1.48 | 112 | 54 | 14 | 9.42 | 4.54 |
