Blue Notes · Umpire Grade2026-06-15
MIA @ PHI
Home plate: Tripp Gibson
“A steady night's work behind the plate.”
Umpire Grade
94.1% accurate
Run Favor
runs, MIA
ABS Overturns
of 1 reviewed
What this shows — how Tripp Gibson called the 152 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 143 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
- 1-0.30▼8 · 3-1 ball called strike
Brandon Marsh vs Cade Gibson - 2+0.23▲8 · 0-2 strike called ball
Xavier Edwards vs Jonathan Bowlan - 3-0.20▲1 · 2-1 ball called strike
Heriberto Hernández vs Zack Wheeler
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
1 pitch went to the robots · 0 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Owen Caissie — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 1 of 1 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.