Blue Notes · Umpire Grade2026-04-10
TEX @ LAD
Home plate: Chris Guccione
“Called a fair game and let the players decide it.”
Umpire Grade
96.1% accurate
Run Favor
runs, LAD
ABS Overturns
of 4 reviewed
What this shows — how Chris Guccione called the 155 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 149 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▲5 · 0-2 strike called ball
Corey Seager vs Tyler Glasnow - 2+0.13▼1 · 1-1 strike called ball
Shohei Ohtani vs Kumar Rocker - 3+0.13▼6 · 1-1 strike called ball
Andy Pages vs Robert Garcia
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 · 4 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Will Smith — ump said strike, robot ruled ball: overturned.
- 2Teoscar Hernández — ump said ball, robot ruled strike: overturned.
- 3Joc Pederson — ump said ball, robot ruled strike: overturned.
- 4Will Smith — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.