Blue Notes · Umpire Grade2026-05-22
CWS @ SF
Home plate: Nestor Ceja
“The zone kept its promises.”
Umpire Grade
96.9% accurate
Run Favor
runs, CWS
ABS Overturns
of 6 reviewed
What this shows — how Nestor Ceja called the 161 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 156 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+0.69▲6 · 3-2 strike called ball· challenged
Miguel Vargas vs Erik Miller - 2+0.13▼5 · 1-0 strike called ball· challenged
Casey Schmitt vs Davis Martin - 3+0.09▼5 · 0-0 strike called ball
Casey Schmitt vs Davis Martin
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 · 2 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Edgar Quero — ump said strike, robot ruled ball: overturned.
- 2Derek Hill — ump said strike, robot ruled strike: upheld.
- 3Jesus Rodriguez — ump said strike, robot ruled ball: overturned.
- 4Edgar Quero — ump said ball, robot ruled ball: upheld.
- 5Jesus Rodriguez — ump said ball, robot ruled ball: upheld.
- 6Harrison Bader — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.