Blue Notes · Umpire Grade2026-06-24
AZ @ STL
Home plate: Bruce Dreckman
“Borderline went to the battery all night.”
Umpire Grade
90.7% accurate
Run Favor
runs, STL
ABS Overturns
of 2 reviewed
What this shows — how Bruce Dreckman called the 150 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 136 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▲1 · 2-2 ball called strike
Corbin Carroll vs Matthew Liberatore - 2+0.30▲4 · 3-1 strike called ball
Gabriel Moreno vs Matthew Liberatore - 3-0.23▼2 · 0-2 ball called strike
Pedro Pagés vs Mitch Bratt
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
2 pitches went to the robots · 1 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Pedro Pagés — ump said strike, robot ruled ball: overturned.
- 2Gabriel Moreno — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.