Blue Notes · Umpire Grade2026-06-11
LAD @ PIT
Home plate: Chris Conroy
“Reliable as a Tuesday: no complaints, no headlines.”
Umpire Grade
93.2% accurate
Run Favor
runs, PIT
ABS Overturns
of 5 reviewed
What this shows — how Chris Conroy called the 191 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 178 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+0.23▲1 · 0-2 strike called ball
Max Muncy vs Mitch Keller - 2+0.19▼3 · 2-0 strike called ball
Rafael Flores Jr. vs Justin Wrobleski - 3-0.13▲1 · 1-0 ball called strike
Andy Pages vs Mitch Keller
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
5 pitches went to the robots · 1 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Mookie Betts — ump said ball, robot ruled strike: overturned.
- 2Ryan O'Hearn — ump said strike, robot ruled strike: upheld.
- 3Jake Mangum — ump said strike, robot ruled strike: upheld.
- 4Mookie Betts — ump said strike, robot ruled strike: upheld.
- 5Kyle Tucker — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.