Blue Notes · Umpire Grade2026-07-09
BOS @ CWS
Home plate: Chris Guccione
“A workmanlike night — nothing to frame, nothing to fix.”
Umpire Grade
96.1% accurate
Run Favor
runs, CWS
ABS Overturns
of 4 reviewed
What this shows — how Chris Guccione called the 129 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 124 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▼3 · 0-2 strike called ball
Randal Grichuk vs Patrick Sandoval - 2+0.13▲9 · 1-0 strike called ball
Caleb Durbin vs Tyler Davis - 3+0.09▲2 · 0-0 strike called ball· challenged
Caleb Durbin vs Anthony Kay
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.
- 1Drew Romo — ump said ball, robot ruled ball: upheld.
- 2Drew Romo — ump said strike, robot ruled ball: overturned.
- 3Connor Wong — ump said strike, robot ruled ball: overturned.
- 4Kyle Teel — 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.