Blue Notes · Umpire Grade2026-05-03
CLE @ ATH
Home plate: Dan Bellino
“The zone kept to itself — the hitters said thanks.”
Umpire Grade
89.7% accurate
Run Favor
runs, CLE
ABS Overturns
of 4 reviewed
What this shows — how Dan Bellino called the 146 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+0.28▼3 · 1-2 strike called ball
Jeff McNeil vs Parker Messick - 2+0.23▲9 · 0-2 strike called ball
Bo Naylor vs Joel Kuhnel - 3-0.20▲2 · 2-1 ball called strike
Travis Bazzana vs Aaron Civale
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.
- 1Austin Wynns — ump said ball, robot ruled ball: upheld.
- 2Daniel Schneemann — ump said strike, robot ruled strike: upheld.
- 3Austin Wynns — ump said strike, robot ruled ball: overturned.
- 4Austin Wynns — ump said strike, robot ruled ball: overturned.
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.