Blue Notes · Umpire Grade2026-05-05
SD @ SF
Home plate: Adam Hamari
“No notes. Well, one: nicely done.”
Umpire Grade
98.5% accurate
Run Favor
even
ABS Overturns
of 4 reviewed
What this shows — how Adam Hamari called the 133 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 131 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
- 1-0.09▲5 · 0-0 ball called strike
Miguel Andujar vs JT Brubaker - 2+0.09▲5 · 0-0 strike called ball
Luis Campusano vs JT Brubaker
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.
- 1Heliot Ramos — ump said ball, robot ruled strike: overturned.
- 2Willy Adames — ump said strike, robot ruled strike: upheld.
- 3Jesus Rodriguez — ump said strike, robot ruled ball: overturned.
- 4Luis Campusano — ump said ball, robot ruled ball: upheld.
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.