Blue Notes · Umpire Grade2026-05-17
CIN @ CLE
Home plate: David Rackley
“Off the corner was close enough tonight.”
Umpire Grade
92.0% accurate
Run Favor
runs, CIN
ABS Overturns
of 4 reviewed
What this shows — how David Rackley called the 151 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 139 right. Below, only his misses are plotted, alongside every pitch the ABS (Automated Ball-Strike System) reviewed on a challenge.
The zone, as he called it
strike called ballball called strikeABS overturnedABS upheld
The calls that moved the game
- 1+0.30▲7 · 3-1 strike called ball
Matt McLain vs Tim Herrin - 2-0.23▲4 · 0-2 ball called strike
TJ Friedl vs Gavin Williams - 3+0.20▼5 · 2-1 strike called ball
Steven Kwan vs Brock Burke
Run impact from the count run-value table: a missed strike three is worth far more than one on 3-0.
ABS — the Automated Ball-Strike System
4 pitches went to the robots · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Patrick Bailey — ump said strike, robot ruled ball: overturned.
- 2Chase DeLauter — ump said strike, robot ruled strike: upheld.
- 3Steven Kwan — ump said ball, robot ruled strike: overturned.
- 4Patrick Bailey — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.