Blue Notes · Umpire Grade2026-06-13
“Solid and unspectacular — exactly what the job asks.”
Umpire Grade
96.3% accurate
Run Favor
runs, STL
ABS Overturns
of 4 reviewed
What this shows — how Adam Beck called the 161 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 155 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
Iván Herrera vs Connor Prielipp - 2-0.13▼2 · 1-1 ball called strike
Royce Lewis vs Matthew Liberatore - 3+0.13▼4 · 1-1 strike called ball
Royce Lewis vs Matthew Liberatore
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 · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Alex Jackson — ump said strike, robot ruled ball: overturned.
- 2Royce Lewis — ump said ball, robot ruled strike: overturned.
- 3Austin Martin — ump said ball, robot ruled strike: overturned.
- 4Pedro Pagés — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.