Blue Notes · Umpire Grade2026-06-26
LAD @ SD
Home plate: Adrian Johnson
“Down the middle. Both dugouts had the same zone.”
Umpire Grade
93.8% accurate
Run Favor
runs, SD
ABS Overturns
of 4 reviewed
What this shows — how Adrian Johnson called the 160 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 150 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+0.23▼3 · 0-2 strike called ball
Fernando Tatis Jr. vs Roki Sasaki - 2+0.21▲6 · 3-0 strike called ball
Andy Pages vs Walker Buehler - 3+0.13▼7 · 1-1 strike called ball
Fernando Tatis Jr. vs Edgardo Henriquez
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 · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Dalton Rushing — ump said strike, robot ruled ball: overturned.
- 2Dalton Rushing — ump said ball, robot ruled ball: upheld.
- 3Manny Machado — ump said strike, robot ruled strike: upheld.
- 4Miguel Rojas — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 2 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.