Blue Notes · Umpire Grade2026-07-04
“The kind of night where the umpire is the least of the story.”
Umpire Grade
95.4% accurate
Run Favor
runs, CWS
ABS Overturns
of 4 reviewed
What this shows — how Nic Lentz called the 151 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 144 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+0.30▲1 · 3-1 strike called ball
Miguel Vargas vs Parker Messick - 2+0.13▲1 · 1-1 strike called ball
Miguel Vargas vs Parker Messick - 3+0.13▼2 · 1-1 strike called ball
Daniel Schneemann vs Sean Burke
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.
- 1Drew Romo — ump said strike, robot ruled ball: overturned.
- 2Miguel Vargas — ump said strike, robot ruled strike: upheld.
- 3Drew Romo — ump said ball, robot ruled ball: upheld.
- 4Brayan Rocchio — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.