Skip to content

Player

George Kirby

SEAPBats RThrows RActive

Season 2025 · as of 2025-09-28.

Pitches

2,087

CSW%

28.0%

Whiff%

24.1%

Avg velo

91.8 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%
Four-seam Fastball60128.8%96.1 mph2,283 rpm23.8%25.8%
Sweeper58828.2%87.1 mph2,372 rpm35.5%30.4%
Sinker55926.8%96.3 mph2,255 rpm25.9%10.0%
Knuckle Curve23611.3%84.3 mph2,370 rpm29.2%36.8%
Splitter592.8%86.0 mph931 rpm18.6%35.5%
Changeup432.1%87.8 mph1,441 rpm16.3%5.0%
Unknown10.0%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 / Sinker0.6800.04 ft0.20 ft0.51 ft559
Splitter / Sweeper0.6710.21 ft0.31 ft1.06 ft59
Splitter / Knuckle Curve0.5790.17 ft0.50 ft0.92 ft59
Four-seam Fastball / Splitter0.4130.19 ft2.28 ft1.74 ft59
Four-seam Fastball / Knuckle Curve0.4070.03 ft2.69 ft1.87 ft236
Knuckle Curve / Sweeper0.3990.10 ft0.65 ft0.50 ft236
Four-seam Fastball / Sweeper0.3970.13 ft2.04 ft1.42 ft588
Knuckle Curve / Sinker0.3430.05 ft2.63 ft1.40 ft236
Splitter / Sinker0.3420.17 ft2.21 ft1.24 ft59
Sinker / Sweeper0.3210.15 ft1.98 ft1.00 ft559