Blue Notes · Umpire Grade2026-03-28
“Nothing that'll trend, and on this beat that's a compliment.”
Umpire Grade
96.2% accurate
Run Favor
runs, CHC
ABS Overturns
of 3 reviewed
What this shows — how Jim Wolf called the 159 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 153 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▼5 · 3-2 strike called ball
Pete Crow-Armstrong vs Miles Mikolas - 2+0.39▼4 · 2-2 strike called ball
Matt Shaw vs Miles Mikolas - 3-0.30▼6 · 3-1 ball called strike
Carson Kelly vs Ken Waldichuk
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 · 3 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Drew Millas — ump said strike, robot ruled ball: overturned.
- 2Matt Shaw — ump said ball, robot ruled strike: overturned.
- 3Alex Bregman — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.