Blue Notes · Umpire Grade2026-04-25
MIN @ TB
Home plate: Brian Walsh
“The Automated Ball-Strike System put in some overtime here.”
Umpire Grade
95.6% accurate
Run Favor
runs, MIN
ABS Overturns
of 6 reviewed
What this shows — how Brian Walsh called the 136 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 130 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
- 1-0.23▼6 · 0-2 ball called strike· challenged ✓
Chandler Simpson vs Bailey Ober - 2-0.20▼8 · 2-1 ball called strike
Jonny DeLuca vs Garrett Acton - 3+0.10▼1 · 0-1 strike called ball
Chandler Simpson vs Bailey Ober
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
6 pitches went to the robots · 5 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Austin Martin — ump said strike, robot ruled strike: upheld.
- 2Nick Fortes — ump said strike, robot ruled ball: overturned.
- 3Ryan Jeffers — ump said strike, robot ruled ball: overturned.
- 4Byron Buxton — ump said ball, robot ruled strike: overturned.
- 5Nick Fortes — ump said strike, robot ruled ball: overturned.
- 6Ryan Jeffers — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 2 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.