Blue Notes · Umpire Grade2026-05-20
LAD @ SD
Home plate: Bruce Dreckman
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
96.2% accurate
Run Favor
runs, LAD
ABS Overturns
of 2 reviewed
What this shows — how Bruce Dreckman called the 157 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 151 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
Shohei Ohtani vs Randy Vásquez - 2-0.19▲9 · 2-0 ball called strike
Hyeseong Kim vs Ron Marinaccio - 3+0.13▼3 · 1-0 strike called ball
Freddy Fermin vs Shohei Ohtani
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.
- 1Freddy Fermin — ump said ball, robot ruled ball: upheld.
- 2Miguel Andujar — 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.