Blue Notes · Umpire Grade2026-04-03
NYM @ SF
Home plate: Charlie Ramos
“Off the corner was close enough tonight.”
Umpire Grade
91.1% accurate
Run Favor
runs, NYM
ABS Overturns
of 5 reviewed
What this shows — how Charlie Ramos called the 203 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 185 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▲1 · 3-2 strike called ball· challenged
Luis Robert Jr. vs Tyler Mahle - 2-0.69▼5 · 3-2 ball called strike
Heliot Ramos vs Nolan McLean - 3+0.69▼6 · 3-2 strike called ball
Patrick Bailey vs Nolan McLean
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.
- 1Patrick Bailey — ump said strike, robot ruled ball: overturned.
- 2Patrick Bailey — ump said ball, robot ruled ball: upheld.
- 3Mark Vientos — ump said ball, robot ruled strike: overturned.
- 4Matt Chapman — ump said strike, robot ruled strike: upheld.
- 5Mark Vientos — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.