Blue Notes · Umpire Grade2026-06-10
“Nothing that'll trend, and on this beat that's a compliment.”
Umpire Grade
97.0% accurate
Run Favor
runs, BOS
ABS Overturns
of 4 reviewed
What this shows — how Jim Wolf called the 133 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 129 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+0.19▲7 · 2-0 strike called ball
Mickey Gasper vs Drew Rasmussen - 2-0.13▼8 · 1-1 ball called strike
Nick Fortes vs Justin Slaten - 3+0.09▲4 · 0-0 strike called ball
Ceddanne Rafaela vs Drew Rasmussen
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 · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Cedric Mullins — ump said ball, robot ruled strike: overturned.
- 2Hunter Feduccia — ump said ball, robot ruled ball: upheld.
- 3Isiah Kiner-Falefa — ump said strike, robot ruled strike: upheld.
- 4Isiah Kiner-Falefa — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 2 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.