Blue Notes · Umpire Grade2026-08-28
“Pitchers earned every strike the hard way.”
Umpire Grade
91.8% accurate
Run Favor
runs, MIA
ABS Overturns
of 5 reviewed
What this shows — how Laz Diaz called the 147 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 135 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▼3 · 2-2 strike called ball· challenged ✓
Dylan Crews vs Eury Pérez - 2+0.39▲6 · 2-2 strike called ball
Agustín Ramírez vs Jackson Kent - 3+0.28▲6 · 1-2 strike called ball
Heriberto Hernández vs Jackson Kent
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
5 pitches went to the robots · 3 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Joe Mack — ump said ball, robot ruled strike: overturned.
- 2Joe Mack — ump said ball, robot ruled strike: overturned.
- 3Joe Mack — ump said ball, robot ruled strike: overturned.
- 4Abimelec Ortiz — ump said strike, robot ruled strike: upheld.
- 5Agustín Ramírez — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 5 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.