Blue Notes · Umpire Grade2026-09-22
“You wanted a strike, you had to earn it twice.”
Umpire Grade
90.4% accurate
Run Favor
runs, NYM
ABS Overturns
of 6 reviewed
What this shows — how Laz Diaz called the 156 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 141 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▲5 · 3-2 strike called ball· challenged ✓
Bo Bichette vs MacKenzie Gore - 2+0.19▲6 · 2-0 strike called ball
Carson Benge vs Nathan Eovaldi - 3-0.13▼1 · 1-1 ball called strike
Wyatt Langford vs Sean Manaea
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 the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Luis Torrens — ump said ball, robot ruled strike: overturned.
- 2Wyatt Langford — ump said strike, robot ruled strike: upheld.
- 3MacKenzie Gore — ump said ball, robot ruled strike: overturned.
- 4Francisco Alvarez — ump said strike, robot ruled strike: upheld.
- 5Luis Torrens — ump said ball, robot ruled strike: overturned.
- 6A.J. Ewing — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 6 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.