Blue Notes · Umpire Grade2026-05-22
WSH @ ATL
Home plate: Tom Hanahan
“Nothing that'll trend, and on this beat that's a compliment.”
Umpire Grade
94.6% accurate
Run Favor
runs, ATL
ABS Overturns
of 4 reviewed
What this shows — how Tom Hanahan called the 166 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 157 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+0.28▲11 · 1-2 strike called ball
Nasim Nuñez vs Tyler Kinley - 2+0.19▼2 · 2-0 strike called ball
Dominic Smith vs Miles Mikolas - 3+0.19▼5 · 2-0 strike called ball· challenged
Austin Riley vs Miles Mikolas
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
4 pitches went to the robots · 0 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Drew Millas — ump said ball, robot ruled ball: upheld.
- 2James Wood — ump said strike, robot ruled strike: upheld.
- 3Ronald Acuña Jr. — ump said strike, robot ruled strike: upheld.
- 4Drew Millas — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.