Blue Notes · Umpire Grade2026-06-09
ATL @ CWS
Home plate: Jonathan Parra
“Solid and unspectacular — exactly what the job asks.”
Umpire Grade
95.4% accurate
Run Favor
runs, ATL
ABS Overturns
of 3 reviewed
What this shows — how Jonathan Parra called the 173 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 165 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+0.69▲7 · 3-2 strike called ball· challenged
Matt Olson vs Tyler Gilbert - 2-0.28▲6 · 1-2 ball called strike
Austin Riley vs Erick Fedde - 3+0.13▼3 · 1-1 strike called ball
Sam Antonacci vs Grant Holmes
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
3 pitches went to the robots · 2 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Drew Romo — ump said strike, robot ruled ball: overturned.
- 2Tyler Gilbert — ump said ball, robot ruled ball: upheld.
- 3Sandy León — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.