Blue Notes · Umpire Grade2026-04-25
SEA @ STL
Home plate: Vic Carapazza
“Reliable as a Tuesday: no complaints, no headlines.”
Umpire Grade
94.6% accurate
Run Favor
runs, STL
ABS Overturns
of 2 reviewed
What this shows — how Vic Carapazza called the 149 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 141 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+0.21▲3 · 3-0 strike called ball
J.P. Crawford vs Matthew Liberatore - 2-0.20▲7 · 2-1 ball called strike
J.P. Crawford vs JoJo Romero - 3+0.20▲9 · 2-1 strike called ball
Connor Joe vs Matt Svanson
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
2 pitches went to the robots · 1 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Randy Arozarena — ump said ball, robot ruled strike: overturned.
- 2Yohel Pozo — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.