Blue Notes · Umpire Grade2026-05-01
“A steady night's work behind the plate.”
Umpire Grade
93.6% accurate
Run Favor
runs, CIN
ABS Overturns
of 5 reviewed
What this shows — how Jim Wolf called the 171 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 160 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 ball called strike· challenged ✓
Oneil Cruz vs Sam Moll - 2+0.69▼7 · 3-2 strike called ball· challenged ✓
Bryan Reynolds vs Luis Mey - 3+0.28▼4 · 1-2 strike called ball
Bryan Reynolds vs Zach Maxwell
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
5 pitches went to the robots · 3 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Tyler Stephenson — ump said strike, robot ruled ball: overturned.
- 2Henry Davis — ump said ball, robot ruled ball: upheld.
- 3Tyler Stephenson — ump said strike, robot ruled ball: overturned.
- 4Tyler Stephenson — ump said ball, robot ruled ball: upheld.
- 5Bryan Reynolds — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 3 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.