Blue Notes · Umpire Grade2026-04-14
MIA @ ATL
Home plate: James Jean
“The black wasn't in play tonight.”
Umpire Grade
91.7% accurate
Run Favor
runs, ATL
ABS Overturns
of 2 reviewed
What this shows — how James Jean called the 144 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 132 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▲1 · 3-1 strike called ball
Xavier Edwards vs Reynaldo López - 2+0.28▼3 · 1-2 strike called ball
Ronald Acuña Jr. vs Max Meyer - 3+0.20▲1 · 2-1 strike called ball
Jakob Marsee vs Reynaldo López
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 · 0 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Owen Caissie — ump said strike, robot ruled strike: upheld.
- 2Drake Baldwin — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.