Blue Notes · Umpire Grade2026-05-24
DET @ BAL
Home plate: Jonathan Parra
“Generous with the corners — the pitchers said thank you.”
Umpire Grade
87.4% accurate
Run Favor
runs, BAL
ABS Overturns
of 3 reviewed
What this shows — how Jonathan Parra called the 159 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 139 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
- 1-0.30▼9 · 3-1 ball called strike
Jackson Holliday vs Kenley Jansen - 2+0.28▼5 · 1-2 strike called ball
Jeremiah Jackson vs Framber Valdez - 3-0.21▼6 · 3-0 ball called strike
Taylor Ward vs Framber Valdez
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.
- 1Jake Rogers — ump said strike, robot ruled ball: overturned.
- 2Will Vest — ump said strike, robot ruled ball: overturned.
- 3Jake Rogers — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.