Blue Notes · Umpire Grade2026-06-13
CHC @ SF
Home plate: Tyler Jones
“A tilt to the evening — the numbers say which way.”
Umpire Grade
93.3% accurate
Run Favor
runs, SF
ABS Overturns
of 4 reviewed
What this shows — how Tyler Jones called the 179 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 167 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▼3 · 3-2 strike called ball
Bryce Eldridge vs Ben Brown - 2+0.69▼4 · 3-2 strike called ball· challenged ✓
Drew Gilbert vs Ben Brown - 3+0.28▼4 · 1-2 strike called ball
Drew Gilbert vs Ben Brown
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
4 pitches went to the robots · 1 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Nico Hoerner — ump said strike, robot ruled strike: upheld.
- 2Eric Haase — ump said ball, robot ruled ball: upheld.
- 3Michael Busch — ump said strike, robot ruled strike: upheld.
- 4Drew Gilbert — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 4 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.