Skip to content

Player

Stephen Kolek

KCPBats RThrows RActive
Pitcher DNA
Season identity from stored cubes. Open Fingerprint.

Mix

25.6%

Velocity

90.4 mph

Research indexes
Research scores for 2025. Open Metrics for the decompositions. Not a recommendation.

Pitch Predictability

15

Confidence
LOW
Sequences
1,230
Stability
0.0%

Arsenal Separation

16

Confidence
LOW
Pitches
0
Stability
0.0%

Pitcher Adaptability

7

Confidence
LOW
Pitches
1,693
Stability
0.0%
  • Pitch Predictability1514 pctl
  • Arsenal Separation164 pctl
  • Pitcher Adaptability742 pctl
Season neighbors
Archetype and nearest neighbor for 2025 (Overall). Open Similar. Not a recommendation.

Archetype

low-csw / low-whiff

Nearest

Brayan Bello

ERA

3.51

FIP

3.82

WHIP

1.14

K%

16.7%

BB%

6.7%

K-BB%

10.0%

League percentiles
Qualified pitchers, 2025 (50 IP).
  • ERA3.5157 pctl
  • FIP3.8254 pctl
  • WHIP1.1470 pctl
  • K%16.7%9 pctl
  • BB%6.7%72 pctl
  • K-BB%10.0%16 pctl
Season-over-season
ERA vs FIP across seasons.
Season line
Innings from outs; FIP uses strikeouts, walks, HBP, and home runs.
YearGIPSOBBERAFIP
20261054.034124.504.54
202519112.277313.513.82
20244246.239125.213.57