Skip to content

Player

Spencer Schwellenbach

ATLPBats RThrows RActive

Season 2025 · as of 2025-09-28.

Pitches

1,577

CSW%

30.3%

Whiff%

26.0%

Avg velo

91.2 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 Fastball55535.2%97.1 mph2,318 rpm35.3%23.3%
Slider28518.1%87.0 mph2,350 rpm28.1%32.5%
Splitter21813.8%84.7 mph1,368 rpm27.1%42.0%
Curveball18011.4%81.0 mph2,301 rpm32.8%28.4%
Cutter17711.2%94.1 mph2,302 rpm22.6%14.6%
Sinker15810.0%95.6 mph2,180 rpm27.8%11.1%
Unknown40.3%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
Cutter / Sinker0.6580.13 ft0.36 ft0.94 ft158
Splitter / Slider0.5060.14 ft0.62 ft0.78 ft218
Four-seam Fastball / Sinker0.4880.15 ft0.41 ft0.54 ft158
Cutter / Four-seam Fastball0.4090.03 ft0.57 ft0.41 ft177
Cutter / Splitter0.3850.29 ft2.14 ft1.52 ft177
Sinker / Slider0.3750.10 ft1.69 ft1.07 ft158
Cutter / Slider0.3740.17 ft1.58 ft1.05 ft177
Four-seam Fastball / Slider0.3160.18 ft2.08 ft1.04 ft285
Four-seam Fastball / Splitter0.3080.30 ft2.60 ft1.29 ft218
Curveball / Splitter0.3060.16 ft0.98 ft0.50 ft180
Splitter / Sinker0.2880.17 ft2.19 ft0.95 ft158
Curveball / Slider0.2620.17 ft1.39 ft0.55 ft180
Curveball / Cutter0.2490.23 ft2.87 ft1.03 ft177
Curveball / Four-seam Fastball0.1810.24 ft3.37 ft0.80 ft180
Curveball / Sinker0.1580.13 ft2.97 ft0.58 ft158