Blue Notes · Umpire Grade2026-05-05
CWS @ LAA
Home plate: Jansen Visconti
“Called it the way the rulebook drew it up.”
Umpire Grade
97.8% accurate
Run Favor
runs, LAA
ABS Overturns
of 3 reviewed
What this shows — how Jansen Visconti called the 137 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 134 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+0.10▼1 · 0-1 strike called ball
Zach Neto vs Erick Fedde - 2-0.09▲1 · 0-0 ball called strike
Andrew Benintendi vs Sam Aldegheri - 3-0.09▼7 · 0-0 ball called strike
Josh Lowe vs Jordan Leasure
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.
- 1Sebastián Rivero — ump said strike, robot ruled ball: overturned.
- 2Sebastián Rivero — ump said strike, robot ruled ball: overturned.
- 3Sebastián Rivero — ump said ball, robot ruled ball: upheld.
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.