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Player

Jack Kochanowicz

LAAPBats LThrows RActive

Season 2026 · as of 2026-09-16.

Pitches

1,111

CSW%

25.6%

Whiff%

22.4%

Avg velo

92.8 mph

Usage
Share of pitches by type.
Velocity
Average release speed by game date.
Movement
Average Savant pfx_x / pfx_z (inches).
Release
Average release side and height (feet).
Pitch types
Compact rates for the filtered window.
PitchPitchesUsageVeloSpinCSW%Whiff%
Sinker42438.2%95.7 mph2,138 rpm25.7%16.3%
Changeup25723.1%89.9 mph2,167 rpm26.1%31.1%
Four-seam Fastball24522.1%96.2 mph2,285 rpm24.5%16.8%
Slider18016.2%85.6 mph2,824 rpm26.7%33.9%
Unknown50.5%0.0%
Split path
Mean trajectories from release to the plate. Tunnel paths are season-long; date, count, and inning filters stay on the charts above.
Tunnel Score
Pairwise release, decision-point, and plate separation. Open a row to plot that pair.
PairTunnel ScoreRelease sepDecision sepPlate sepPair N
Four-seam Fastball / Sinker0.7610.06 ft0.09 ft0.51 ft245
Changeup / Four-seam Fastball0.3960.11 ft1.25 ft0.89 ft245
Changeup / Slider0.3160.07 ft1.02 ft0.50 ft180
Changeup / Sinker0.2470.16 ft1.19 ft0.44 ft257
Four-seam Fastball / Slider0.1570.15 ft2.18 ft0.43 ft180
Sinker / Slider0.1190.19 ft2.13 ft0.31 ft180