Blue Notes · Umpire Grade2026-05-15
“The kind of night where the umpire is the least of the story.”
Umpire Grade
94.0% accurate
Run Favor
runs, LAD
ABS Overturns
of 4 reviewed
What this shows — how Jim Wolf called the 150 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 141 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+0.39▲3 · 2-2 strike called ball
Shohei Ohtani vs Jack Kochanowicz - 2+0.23▲8 · 0-2 strike called ball· challenged
Teoscar Hernández vs Ryan Johnson - 3-0.21▼1 · 3-0 ball called strike
Vaughn Grissom vs Will Klein
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 · 1 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Logan O'Hoppe — ump said strike, robot ruled ball: overturned.
- 2Jorge Soler — ump said strike, robot ruled strike: upheld.
- 3Teoscar Hernández — ump said strike, robot ruled strike: upheld.
- 4Sebastián Rivero — ump said ball, robot ruled ball: upheld.
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.