Blue Notes · Umpire Grade2026-05-07
TB @ BOS
Home plate: Tyler Jones
“The zone kept its promises.”
Umpire Grade
94.9% accurate
Run Favor
runs, BOS
ABS Overturns
of 2 reviewed
What this shows — how Tyler Jones called the 138 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 131 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
- 1-0.69▲6 · 3-2 ball called strike· challenged ✓
Jonathan Aranda vs Jake Bennett - 2+0.20▲4 · 2-1 strike called ball
Ben Williamson vs Jake Bennett - 3+0.19▲2 · 2-0 strike called ball
Jonny DeLuca vs Jake Bennett
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 · 1 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Nick Fortes — ump said ball, robot ruled ball: upheld.
- 2Connor Wong — ump said strike, robot ruled ball: overturned.
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.