Stephen Kolek
KC · RHP · SP · Age 29
- Season
- 2026
- G/GS
- 10/10
- IP
- 54.0
- BF
- 224
- xwOBA
- .303
- K%
- 15.2%
- BB%
- 5.4%
- CSW%
- 25.3%
- Whiff%
- 19.8%
- Barrel%
- 6.8%
- FB Velo
- 94.0
Percentile profile, 2026 regular season.
Arsenal, 2026
| Pitchⓘ | #ⓘ | Usageⓘ | Veloⓘ | Spinⓘ | IVBⓘ | HBⓘ | Whiff%ⓘ | CSW%ⓘ | xwOBAⓘ | RVⓘ | RV/100ⓘ |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 4-Seam Fastball FF | 237 | 28.3% | 94.2 | 2242 | 13.2 | -6.4 | 18.6% | 24.9% | .287 | 0 | 0.0 |
| Sinker SI | 182 | 21.7% | 93.7 | 2212 | 5.0 | -14.8 | 5.6% | 20.3% | .314 | -2 | -1.3 |
| Slider SL | 137 | 16.4% | 85.6 | 2508 | -0.4 | 3.2 | 42.9% | 35.0% | .273 | 1 | 1.0 |
| Cutter FC | 103 | 12.3% | 90.3 | 2418 | 6.5 | 1.9 | 20.8% | 28.2% | .249 | 1 | 1.2 |
| Changeup CH | 100 | 11.9% | 87.1 | 1489 | 2.6 | -12.1 | 16.0% | 17.0% | .345 | 1 | 0.7 |
| Sweeper ST | 78 | 9.3% | 79.9 | 2571 | -5.4 | 14.7 | 9.1% | 28.2% | .360 | -2 | -2.8 |
Pitch types with 25+ pitches; knuckle curves and slow curves shown as curveballs. Grey rates: under 405 pitches of the type (Savant’s qualifying line, 2.5 per team game).