Blue Notes · Umpire Grade2026-05-27
AZ @ SF
Home plate: D.J. Reyburn
“No notes. Well, one: nicely done.”
Umpire Grade
95.7% accurate
Run Favor
runs, AZ
ABS Overturns
of 1 reviewed
What this shows — how D.J. Reyburn called the 117 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 112 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
- 1-0.13▲4 · 1-0 ball called strike
Ryan Waldschmidt vs Trevor McDonald - 2-0.13▲8 · 1-0 ball called strike
Ildemaro Vargas vs Caleb Kilian - 3-0.10▼1 · 0-1 ball called strike
Luis Arraez vs Michael Soroka
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 · 1 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Ryan Waldschmidt — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 0 of 1 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.