Blue Notes · Umpire Grade2026-05-15
BOS @ ATL
Home plate: Vic Carapazza
“Solid and unspectacular — exactly what the job asks.”
Umpire Grade
92.3% accurate
Run Favor
runs, ATL
ABS Overturns
of 4 reviewed
What this shows — how Vic Carapazza called the 142 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+0.23▼2 · 0-2 strike called ball
José Azócar vs Connelly Early - 2+0.19▼1 · 2-0 strike called ball
Michael Harris II vs Connelly Early - 3-0.19▲2 · 2-0 ball called strike
Ceddanne Rafaela vs Spencer Strider
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.
- 1Mauricio Dubón — ump said strike, robot ruled strike: upheld.
- 2Sandy León — ump said strike, robot ruled ball: overturned.
- 3Carlos Narváez — ump said strike, robot ruled ball: overturned.
- 4Drake Baldwin — 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.