Blue Notes · Umpire Grade2026-05-15
KC @ STL
Home plate: Will Little
“The kind of night where the umpire is the least of the story.”
Umpire Grade
93.8% accurate
Run Favor
runs, STL
ABS Overturns
of 6 reviewed
What this shows — how Will Little called the 162 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 152 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▼3 · 3-2 strike called ball
Nathan Church vs Michael Wacha - 2+0.39▲4 · 2-2 strike called ball
Isaac Collins vs Dustin May - 3+0.20▼7 · 2-1 strike called ball
José Fermín vs Daniel Lynch IV
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 · 4 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Salvador Perez — ump said strike, robot ruled ball: overturned.
- 2Bobby Witt Jr. — ump said ball, robot ruled strike: overturned.
- 3Salvador Perez — ump said strike, robot ruled ball: overturned.
- 4Pedro Pagés — ump said ball, robot ruled ball: upheld.
- 5Salvador Perez — ump said strike, robot ruled ball: overturned.
- 6Gordon Graceffo — ump said ball, robot ruled ball: 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.