Blue Notes · Umpire Grade2026-05-19
SF @ AZ
Home plate: Bill Miller
“Called a fair game and let the players decide it.”
Umpire Grade
97.3% accurate
Run Favor
runs, AZ
ABS Overturns
of 5 reviewed
What this shows — how Bill Miller called the 146 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 142 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
- 1-0.21▲6 · 3-0 ball called strike
Matt Chapman vs Ryne Nelson - 2-0.13▼5 · 1-1 ball called strike
Ryan Waldschmidt vs Landen Roupp - 3-0.13▼6 · 1-1 ball called strike
Corbin Carroll vs Landen Roupp
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 · 4 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Gabriel Moreno — ump said strike, robot ruled ball: overturned.
- 2Willy Adames — ump said ball, robot ruled strike: overturned.
- 3Geraldo Perdomo — ump said ball, robot ruled strike: overturned.
- 4Daniel Susac — ump said ball, robot ruled ball: upheld.
- 5Ketel Marte — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.