Blue Notes · Umpire Grade2026-05-13
SD @ MIL
Home plate: Ryan Wills
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
93.0% accurate
Run Favor
runs, SD
ABS Overturns
of 4 reviewed
What this shows — how Ryan Wills called the 142 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 132 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+0.23▲1 · 0-2 strike called ball
Jackson Merrill vs Jacob Misiorowski - 2-0.20▲7 · 2-1 ball called strike
Xander Bogaerts vs Jacob Misiorowski - 3-0.20▼8 · 2-1 ball called strike
Jake Bauers vs Jason Adam
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 · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Rodolfo Durán — ump said strike, robot ruled ball: overturned.
- 2William Contreras — ump said strike, robot ruled ball: overturned.
- 3William Contreras — ump said strike, robot ruled ball: overturned.
- 4William Contreras — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.