Blue Notes · Umpire Grade2026-04-05
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
92.5% accurate
Run Favor
runs, HOU
ABS Overturns
of 7 reviewed
What this shows — how Nic Lentz called the 228 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 211 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▼3 · 3-2 ball called strike
Tyler Soderstrom vs Lance McCullers Jr. - 2+0.39▼7 · 2-2 strike called ball
Nick Kurtz vs Christian Roa - 3+0.39▼9 · 2-2 strike called ball
Nick Kurtz vs Bryan King
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
7 pitches went to the robots · 3 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Shea Langeliers — ump said ball, robot ruled ball: upheld.
- 2Yainer Diaz — ump said strike, robot ruled ball: overturned.
- 3Yainer Diaz — ump said ball, robot ruled ball: upheld.
- 4Jeff McNeil — ump said ball, robot ruled strike: overturned.
- 5Carlos Cortes — ump said ball, robot ruled strike: overturned.
- 6Joey Loperfido — ump said strike, robot ruled strike: upheld.
- 7Shea Langeliers — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 4 of 7 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.