Blue Notes · Umpire Grade2026-05-22
DET @ BAL
Home plate: Mike Estabrook
“A steady night's work behind the plate.”
Umpire Grade
95.2% accurate
Run Favor
runs, DET
ABS Overturns
of 5 reviewed
What this shows — how Mike Estabrook called the 145 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 138 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▲1 · 1-2 strike called ball
Riley Greene vs Keegan Akin - 2+0.23▲3 · 0-2 strike called ball· challenged ✓
Kevin McGonigle vs Chris Bassitt - 3-0.19▲5 · 2-0 ball called strike
Dillon Dingler vs Chris Bassitt
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
5 pitches went to the robots · 2 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Adley Rutschman — ump said strike, robot ruled strike: upheld.
- 2Kevin McGonigle — ump said ball, robot ruled strike: overturned.
- 3Gage Workman — ump said ball, robot ruled strike: overturned.
- 4Dillon Dingler — ump said ball, robot ruled ball: upheld.
- 5Samuel Basallo — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 4 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.