Blue Notes · Umpire Grade2026-04-14
“A steady night's work behind the plate.”
Umpire Grade
91.7% accurate
Run Favor
runs, CWS
ABS Overturns
of 7 reviewed
What this shows — how Alex Tosi called the 181 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 166 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+0.21▲7 · 3-0 strike called ball· challenged ✓
Jonny DeLuca vs Brandon Eisert - 2-0.19▼6 · 2-0 ball called strike
Andrew Benintendi vs Hunter Bigge - 3+0.13▲6 · 1-1 strike called ball
Jonathan Aranda vs Brandon Eisert
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
7 pitches went to the robots · 3 overturned (ump overruled) · 4 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Edgar Quero — ump said ball, robot ruled ball: upheld.
- 2Nick Fortes — ump said ball, robot ruled strike: overturned.
- 3Jonathan Aranda — ump said strike, robot ruled strike: upheld.
- 4Jonny DeLuca — ump said strike, robot ruled ball: overturned.
- 5Edgar Quero — ump said ball, robot ruled strike: overturned.
- 6Edgar Quero — ump said ball, robot ruled ball: upheld.
- 7Nick Fortes — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 6 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.