Blue Notes · Umpire Grade2026-04-26
NYY @ HOU
Home plate: Jeremie Rehak
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
92.9% accurate
Run Favor
runs, HOU
ABS Overturns
of 4 reviewed
What this shows — how Jeremie Rehak called the 141 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 131 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+0.21▼1 · 3-0 strike called ball
Carlos Correa vs Luis Gil - 2+0.13▼5 · 1-0 strike called ball
Isaac Paredes vs Paul Blackburn - 3+0.10▼3 · 0-1 strike called ball
Dustin Harris vs Luis Gil
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.
- 1Jazz Chisholm Jr. — ump said strike, robot ruled strike: upheld.
- 2Ryan McMahon — ump said ball, robot ruled strike: overturned.
- 3Christian Vázquez — ump said ball, robot ruled ball: upheld.
- 4Isaac Paredes — 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.