Skip to content

Player

Riley O'Brien

STLPBats RThrows RActive

Season 2026 · as of 2026-09-16.

Pitches

1,057

CSW%

28.4%

Whiff%

25.2%

Avg velo

92.3 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%
Sinker61358.0%97.7 mph2,198 rpm28.9%14.5%
Sweeper33932.1%82.9 mph2,323 rpm29.5%47.1%
Slider817.7%90.6 mph2,448 rpm23.5%19.5%
Changeup121.1%91.0 mph1,904 rpm33.3%66.7%
Unknown111.0%0.0%
Pitchout10.1%95.8 mph2,298 rpm0.0%
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
Slider / Sweeper0.3010.11 ft1.76 ft0.80 ft81
Sinker / Sweeper0.2410.37 ft3.22 ft1.14 ft336
Sinker / Slider0.1580.30 ft1.48 ft0.34 ft81