Blue Notes · Umpire Grade2026-03-26
WSH @ CHC
Home plate: Alan Porter
“A workmanlike night — nothing to frame, nothing to fix.”
Umpire Grade
96.5% accurate
Run Favor
runs, WSH
ABS Overturns
of 3 reviewed
What this shows — how Alan Porter called the 173 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 167 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
- 1-0.30▼7 · 3-1 ball called strike
Nico Hoerner vs Brad Lord - 2+0.20▲4 · 2-1 strike called ball
Jacob Young vs Ben Brown - 3+0.13▲4 · 1-0 strike called ball
Jacob Young vs Ben Brown
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.
- 1Keibert Ruiz — ump said strike, robot ruled ball: overturned.
- 2CJ Abrams — ump said ball, robot ruled strike: overturned.
- 3Luis García Jr. — ump said strike, robot ruled strike: 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.