Blue Notes · Umpire Grade2026-04-25
CLE @ TOR
Home plate: Quinn Wolcott
“An off night — the kind everyone has, now on the record.”
Umpire Grade
91.3% accurate
Run Favor
runs, TOR
ABS Overturns
of 6 reviewed
What this shows — how Quinn Wolcott called the 149 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 136 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▲2 · 1-2 strike called ball
George Valera vs Kevin Gausman - 2+0.23▼5 · 0-2 strike called ball
Andrés Giménez vs Joey Cantillo - 3-0.13▲8 · 1-1 ball called strike
Angel Martínez vs Tyler Rogers
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
6 pitches went to the robots · 3 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1George Valera — ump said strike, robot ruled strike: upheld.
- 2Chase DeLauter — ump said ball, robot ruled strike: overturned.
- 3Joey Cantillo — ump said strike, robot ruled ball: overturned.
- 4Jesús Sánchez — ump said strike, robot ruled strike: upheld.
- 5Tyler Heineman — ump said strike, robot ruled ball: overturned.
- 6Tyler Heineman — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 4 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.