Blue Notes · Umpire Grade2026-06-03
LAD @ AZ
Home plate: Junior Valentine
“Solid and unspectacular — exactly what the job asks.”
Umpire Grade
93.2% accurate
Run Favor
runs, AZ
ABS Overturns
of 2 reviewed
What this shows — how Junior Valentine called the 192 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 179 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+0.30▲6 · 3-1 strike called ball
Alex Freeland vs Taylor Clarke - 2+0.28▼3 · 1-2 strike called ball
Tommy Troy vs Shohei Ohtani - 3+0.20▲6 · 2-1 strike called ball
Alex Freeland 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 · 0 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Geraldo Perdomo — ump said strike, robot ruled strike: upheld.
- 2Andy Pages — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.