Blue Notes · Umpire Grade2026-04-01
CLE @ LAD
Home plate: Quinn Wolcott
“Tonight's zone had a rooting interest.”
Umpire Grade
93.7% accurate
Run Favor
runs, LAD
ABS Overturns
of 1 reviewed
What this shows — how Quinn Wolcott called the 143 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 134 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+0.69▼1 · 3-2 strike called ball
Shohei Ohtani vs Gavin Williams - 2+0.20▼1 · 2-1 strike called ball
Shohei Ohtani vs Gavin Williams - 3-0.20▲5 · 2-1 ball called strike
Brayan Rocchio vs Yoshinobu Yamamoto
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
1 pitch went to the robots · 0 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Alex Freeland — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 1 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.