Blue Notes · Umpire Grade2026-07-04
BAL @ CIN
Home plate: Erich Bacchus
“Down the middle. Both dugouts had the same zone.”
Umpire Grade
96.5% accurate
Run Favor
runs, CIN
ABS Overturns
of 3 reviewed
What this shows — how Erich Bacchus called the 169 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 163 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+0.30▼6 · 3-1 strike called ball
Spencer Steer vs Brandon Young - 2+0.13▼4 · 1-1 strike called ball· challenged
Sal Stewart vs Brandon Young - 3+0.09▼1 · 0-0 strike called ball
Nathaniel Lowe vs Brandon Young
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 · 2 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Jose Trevino — ump said strike, robot ruled ball: overturned.
- 2Samuel Basallo — ump said ball, robot ruled ball: upheld.
- 3Gunnar Henderson — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.