Blue Notes · Umpire Grade2026-04-01
COL @ TOR
Home plate: Brian O'Nora
“One side pitched to a slightly bigger plate.”
Umpire Grade
93.5% accurate
Run Favor
runs, TOR
ABS Overturns
of 6 reviewed
What this shows — how Brian O'Nora called the 138 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 129 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▼3 · 3-2 strike called ball
George Springer vs Kyle Freeland - 2+0.39▼3 · 2-2 strike called ball
George Springer vs Kyle Freeland - 3+0.23▼9 · 0-2 strike called ball· challenged ✓
Jesús Sánchez vs Brennan Bernardino
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.
- 1Brett Sullivan — ump said ball, robot ruled ball: upheld.
- 2Alejandro Kirk — ump said strike, robot ruled strike: upheld.
- 3Brett Sullivan — ump said strike, robot ruled ball: overturned.
- 4Ernie Clement — ump said ball, robot ruled strike: overturned.
- 5Jesús Sánchez — ump said ball, robot ruled strike: 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.