Blue Notes · Umpire Grade2026-04-04
HOU @ ATH
Home plate: Vic Carapazza
“A steady night's work behind the plate.”
Umpire Grade
95.9% accurate
Run Favor
runs, HOU
ABS Overturns
of 6 reviewed
What this shows — how Vic Carapazza called the 194 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 186 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▲3 · 2-1 ball called strike
Jeremy Peña vs Luis Morales - 2-0.19▲6 · 2-0 ball called strike
Christian Walker vs Hogan Harris - 3+0.19▲8 · 2-0 strike called ball
Brice Matthews vs Luis Medina
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
6 pitches went to the robots · 3 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Christian Vázquez — ump said strike, robot ruled ball: overturned.
- 2Christian Vázquez — ump said ball, robot ruled ball: upheld.
- 3Shea Langeliers — ump said ball, robot ruled ball: upheld.
- 4Austin Wynns — ump said strike, robot ruled ball: overturned.
- 5Shay Whitcomb — ump said ball, robot ruled strike: overturned.
- 6Austin Wynns — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.