Stephen Kolek
RHP
94.1 mph
Four-Seam Fastball
19.1%
Whiff%
6
Pitch Types
Arsenal
| Pitch | Usage | Velo | Spin | Whiff% | H-Brk | V-Brk |
|---|---|---|---|---|---|---|
| Four-Seam Fastball | 29.1% | 94.1 mph | 2240 rpm | 19.1% | -6.6" | 13.3" |
| Sinker | 22.5% | 93.6 mph | 2208 rpm | 6.0% | -15.1" | 4.6" |
| Slider | 14.7% | 85.4 mph | 2521 rpm | 46.3% | 3.2" | -0.6" |
| Changeup | 13.1% | 87.0 mph | 1508 rpm | 16.3% | -12.2" | 2.4" |
| Cutter | 11.7% | 90.0 mph | 2436 rpm | 21.6% | 1.8" | 6.1" |
| Sweeper | 8.9% | 79.7 mph | 2561 rpm | 13.3% | 14.9" | -5.4" |
Movement Profile
Best Sequences
#1 Combo
Sinker → Slider
31.2% whiff
· 57.1% chase
· 37.1 score
#2 Combo
4-Seam Fastball → Slider
35.7% whiff
· 41.7% chase
· 32.3 score
Multi-Season History
| Season | Primary Pitch | Avg Velo | Whiff% | Best Sequence |
|---|---|---|---|---|
| 2025 | Four-Seam Fastball | 94.1 mph | 19.1% | Sinker → Slider |