Blue Notes · Umpire Grade2026-08-29
KC @ CLE
Home plate: Quinn Wolcott
“The zone kept its promises.”
Umpire Grade
94.8% accurate
Run Favor
runs, KC
ABS Overturns
of 1 reviewed
What this shows — how Quinn Wolcott called the 154 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 146 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+0.28▲3 · 1-2 strike called ball
Carter Jensen vs Foster Griffin - 2+0.28▼4 · 1-2 strike called ball
David Fry vs Daniel Lynch IV - 3-0.20▼1 · 2-1 ball called strike
Chase DeLauter vs Daniel Lynch IV
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 · 1 overturned (ump overruled) · 0 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Steven Kwan — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 1 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.