Blue Notes · Umpire Grade2026-05-11
TB @ TOR
Home plate: Brian O'Nora
“A steady night's work behind the plate.”
Umpire Grade
94.2% accurate
Run Favor
runs, TOR
ABS Overturns
of 4 reviewed
What this shows — how Brian O'Nora called the 155 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
- 1-0.30▲6 · 3-1 ball called strike
Chandler Simpson vs Mason Fluharty - 2+0.23▼9 · 0-2 strike called ball· challenged
Myles Straw vs Bryan Baker - 3+0.20▲6 · 2-1 strike called ball
Chandler Simpson vs Mason Fluharty
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 · 1 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Vladimir Guerrero Jr. — ump said ball, robot ruled strike: overturned.
- 2Jonathan Aranda — ump said strike, robot ruled strike: upheld.
- 3Hunter Feduccia — ump said ball, robot ruled ball: upheld.
- 4Myles Straw — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.