Blue Notes · Umpire Grade2026-04-06
“The catcher barely had to sell a thing.”
Umpire Grade
97.0% accurate
Run Favor
runs, KC
ABS Overturns
of 4 reviewed
What this shows — how Adam Beck called the 167 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 162 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
- 1-0.20▼8 · 2-1 ball called strike
José Ramírez vs Matt Strahm - 2-0.09▲3 · 0-0 ball called strike
Kyle Isbel vs Tanner Bibee - 3-0.09▼3 · 0-0 ball called strike
Gabriel Arias vs Michael Wacha
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 · 1 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Salvador Perez — ump said strike, robot ruled ball: overturned.
- 2Bo Naylor — ump said strike, robot ruled strike: upheld.
- 3Salvador Perez — ump said ball, robot ruled ball: upheld.
- 4Isaac Collins — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.