Blue Notes · Umpire Grade2026-05-11
“Called it the way the rulebook drew it up.”
Umpire Grade
97.5% accurate
Run Favor
runs, AZ
ABS Overturns
of 2 reviewed
What this shows — how Alex Tosi called the 118 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 115 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+0.19▲2 · 2-0 strike called ball
Gabriel Moreno vs Jakob Junis - 2-0.09▲7 · 0-0 ball called strike
Ildemaro Vargas vs Peyton Gray - 3-0.09▼8 · 0-0 ball called strike
Alejandro Osuna vs Taylor Clarke
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
2 pitches went to the robots · 1 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Adrian Del Castillo — ump said strike, robot ruled strike: upheld.
- 2Ezequiel Duran — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.