Blue Notes · Umpire Grade2026-04-11
“Down the middle. Both dugouts had the same zone.”
Umpire Grade
94.5% accurate
Run Favor
runs, CIN
ABS Overturns
of 3 reviewed
What this shows — how Adam Beck called the 201 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 190 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+0.39▼1 · 2-2 strike called ball
Spencer Steer vs George Klassen - 2+0.21▼1 · 3-0 strike called ball
Tyler Stephenson vs George Klassen - 3+0.20▲2 · 2-1 strike called ball
Yoán Moncada vs Brandon Williamson
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
3 pitches went to the robots · 2 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Zach Neto — ump said strike, robot ruled strike: upheld.
- 2Tyler Stephenson — ump said strike, robot ruled ball: overturned.
- 3Tyler Stephenson — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.