Blue Notes · Umpire Grade2026-09-19
“Solid and unspectacular — exactly what the job asks.”
Umpire Grade
94.2% accurate
Run Favor
runs, NYY
ABS Overturns
of 4 reviewed
What this shows — how Alex Tosi called the 138 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 130 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+0.39▲5 · 2-2 strike called ball
Anthony Volpe vs Brandon Pfaadt - 2+0.19▲8 · 2-0 strike called ball
Luis García Jr. vs Brandyn Garcia - 3+0.13▼3 · 1-0 strike called ball
Lars Nootbaar vs Cam Schlittler
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 · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Gabriel Moreno — ump said strike, robot ruled ball: overturned.
- 2Gabriel Moreno — ump said ball, robot ruled ball: upheld.
- 3Ildemaro Vargas — ump said strike, robot ruled ball: overturned.
- 4Ali Sánchez — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.