Blue Notes · Umpire Grade2026-07-27
“If it was close, it was a strike. The hitters noticed.”
Umpire Grade
92.3% accurate
Run Favor
runs, NYM
ABS Overturns
of 7 reviewed
What this shows — how Ron Kulpa called the 155 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 143 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▼8 · 2-2 strike called ball
Luis Robert Jr. vs Jorge Mateo - 2+0.19▼6 · 2-0 strike called ball
Francisco Lindor vs Connor Thomas - 3-0.13▼3 · 1-0 ball called strike
Bo Bichette vs Martín Pérez
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 the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Joey Bart — ump said ball, robot ruled ball: upheld.
- 2Jared Young — ump said ball, robot ruled strike: overturned.
- 3Jared Young — ump said strike, robot ruled strike: upheld.
- 4Matt Olson — ump said , robot ruled : overturned.
- 5Mauricio Dubón — ump said ball, robot ruled strike: overturned.
- 6Francisco Alvarez — ump said strike, robot ruled strike: upheld.
- 7Matt Olson — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 4 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.