Blue Notes · Umpire Grade2026-05-21
ATL @ MIA
Home plate: Austin Jones
“Nothing that'll trend, and on this beat that's a compliment.”
Umpire Grade
94.8% accurate
Run Favor
runs, MIA
ABS Overturns
of 3 reviewed
What this shows — how Austin Jones called the 134 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 127 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
- 1-0.13▲7 · 1-1 ball called strike
Ha-Seong Kim vs Cade Gibson - 2+0.10▲5 · 0-1 strike called ball
Ha-Seong Kim vs Sandy Alcantara - 3+0.09▼2 · 0-0 strike called ball
Kyle Stowers vs Spencer Strider
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 · 1 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Spencer Strider — ump said ball, robot ruled ball: upheld.
- 2Ha-Seong Kim — ump said ball, robot ruled strike: overturned.
- 3Chadwick Tromp — 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.