Blue Notes · Umpire Grade2026-03-31
CLE @ LAD
Home plate: Adrian Johnson
“If it was close, it was a strike. The hitters noticed.”
Umpire Grade
93.5% accurate
Run Favor
runs, CLE
ABS Overturns
of 5 reviewed
What this shows — how Adrian Johnson called the 169 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 158 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▼3 · 0-2 ball called strike
Mookie Betts vs Tanner Bibee - 2-0.13▲7 · 1-1 ball called strike
Bo Naylor vs Alex Vesia - 3-0.09▼2 · 0-0 ball called strike
Will Smith vs Tanner Bibee
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 · 3 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Will Smith — ump said strike, robot ruled ball: overturned.
- 2Will Smith — ump said strike, robot ruled ball: overturned.
- 3Bo Naylor — ump said ball, robot ruled ball: upheld.
- 4Gabriel Arias — ump said strike, robot ruled strike: upheld.
- 5Will Smith — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 3 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.