Blue Notes · Umpire Grade2026-04-05
MIL @ KC
Home plate: Will Little
“Down the middle. Both dugouts had the same zone.”
Umpire Grade
94.0% accurate
Run Favor
runs, MIL
ABS Overturns
of 4 reviewed
What this shows — how Will Little called the 184 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 173 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+0.28▼3 · 1-2 strike called ball· challenged
Vinnie Pasquantino vs Kyle Harrison - 2+0.28▲9 · 1-2 strike called ball
William Contreras vs Lucas Erceg - 3+0.13▼7 · 1-1 strike called ball
Jonathan India vs Grant Anderson
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 · 0 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1William Contreras — ump said ball, robot ruled ball: upheld.
- 2Gary Sánchez — ump said strike, robot ruled strike: upheld.
- 3Salvador Perez — ump said ball, robot ruled ball: upheld.
- 4Isaac Collins — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.