Blue Notes · Umpire Grade2026-06-07
PIT @ ATL
Home plate: Quinn Wolcott
“The zone leaned, and the ledger noticed.”
Umpire Grade
92.5% accurate
Run Favor
runs, ATL
ABS Overturns
of 3 reviewed
What this shows — how Quinn Wolcott called the 159 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 147 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 ball called strike· challenged
Ryan O'Hearn vs Bryce Elder - 2+0.39▼2 · 2-2 strike called ball
Jorge Mateo vs Bubba Chandler - 3-0.19▲5 · 2-0 ball called strike
Spencer Horwitz vs Bryce Elder
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
3 pitches went to the robots · 1 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Ryan O'Hearn — ump said strike, robot ruled strike: upheld.
- 2Sandy León — ump said ball, robot ruled ball: upheld.
- 3Sandy León — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.