Blue Notes · Umpire Grade2026-05-30
BOS @ CLE
Home plate: Brennan Miller
“You had to throw it down Broadway to get the call.”
Umpire Grade
92.6% accurate
Run Favor
runs, BOS
ABS Overturns
of 4 reviewed
What this shows — how Brennan Miller called the 163 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 151 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+0.39▲6 · 2-2 strike called ball· challenged
Isiah Kiner-Falefa vs Matt Festa - 2+0.39▼8 · 2-2 strike called ball
Rhys Hoskins vs Justin Slaten - 3+0.28▲2 · 1-2 strike called ball
Andruw Monasterio vs Parker Messick
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 · 1 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Chase DeLauter — ump said strike, robot ruled strike: upheld.
- 2Andruw Monasterio — ump said strike, robot ruled strike: upheld.
- 3Austin Hedges — ump said ball, robot ruled ball: upheld.
- 4Connor Wong — ump said strike, robot ruled ball: overturned.
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.