Blue Notes · Umpire Grade2026-07-17
TB @ BOS
Home plate: Lance Barrett
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
94.2% accurate
Run Favor
runs, TB
ABS Overturns
of 2 reviewed
What this shows — how Lance Barrett called the 121 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 114 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▲6 · 0-2 strike called ball
Cedric Mullins vs Tyron Guerrero - 2-0.13▼1 · 1-0 ball called strike
Wilyer Abreu vs Mason Englert - 3-0.13▼6 · 1-0 ball called strike
Caleb Durbin vs Craig Kimbrel
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
2 pitches went to the robots · 0 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Hunter Feduccia — ump said ball, robot ruled ball: upheld.
- 2Willson Contreras — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 2 of 2 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.