Blue Notes · Umpire Grade2026-06-20
“A workmanlike night — nothing to frame, nothing to fix.”
Umpire Grade
93.4% accurate
Run Favor
runs, ATL
ABS Overturns
of 4 reviewed
What this shows — how Ron Kulpa called the 137 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 128 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▲2 · 2-2 ball called strike· challenged ✓
Gary Sánchez vs Chris Sale - 2-0.30▼6 · 3-1 ball called strike
Mauricio Dubón vs Kyle Harrison - 3+0.13▼2 · 1-1 strike called ball
Michael Harris II vs Kyle Harrison
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 the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Gary Sánchez — ump said strike, robot ruled ball: overturned.
- 2Jorge Mateo — ump said strike, robot ruled strike: upheld.
- 3William Contreras — ump said strike, robot ruled ball: overturned.
- 4Gary Sánchez — 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.