Blue Notes · Umpire Grade2026-07-17
WSH @ ATH
Home plate: John Libka
“The corners were friendlier in one direction tonight.”
Umpire Grade
95.0% accurate
Run Favor
runs, ATH
ABS Overturns
of 6 reviewed
What this shows — how John Libka called the 181 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 172 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▼7 · 3-2 strike called ball
Donovan Walton vs Riley Cornelio - 2+0.39▲6 · 2-2 strike called ball
Jacob Young vs Justin Sterner - 3+0.28▼7 · 1-2 strike called ball
Lawrence Butler vs Riley Cornelio
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 · 3 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Harry Ford — ump said ball, robot ruled ball: upheld.
- 2Shea Langeliers — ump said strike, robot ruled ball: overturned.
- 3Henry Bolte — ump said strike, robot ruled strike: upheld.
- 4Shea Langeliers — ump said strike, robot ruled ball: overturned.
- 5Jacob Wilson — ump said strike, robot ruled strike: upheld.
- 6Harry Ford — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 3 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.