Blue Notes · Umpire Grade2026-03-28
MIN @ BAL
Home plate: Brian O'Nora
“The zone stretched its legs.”
Umpire Grade
93.6% accurate
Run Favor
runs, BAL
ABS Overturns
of 3 reviewed
What this shows — how Brian O'Nora called the 173 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 162 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▼8 · 2-2 strike called ball· challenged ✓
Leody Taveras vs Justin Topa - 2-0.20▼1 · 2-1 ball called strike
Samuel Basallo vs Taj Bradley - 3-0.19▲1 · 2-0 ball called strike
Kody Clemens vs Kyle Bradish
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 the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Ryan Jeffers — ump said ball, robot ruled ball: upheld.
- 2Kody Clemens — ump said strike, robot ruled ball: overturned.
- 3Ryan Jeffers — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 2 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.