Blue Notes · Umpire Grade2026-04-12
ATH @ NYM
Home plate: D.J. Reyburn
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
95.4% accurate
Run Favor
runs, ATH
ABS Overturns
of 4 reviewed
What this shows — how D.J. Reyburn called the 131 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 125 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▼7 · 3-2 ball called strike· challenged ✓
Brett Baty vs Hogan Harris - 2-0.21▲5 · 3-0 ball called strike
Nick Kurtz vs Freddy Peralta - 3-0.13▲7 · 1-1 ball called strike
Denzel Clarke vs Sean Manaea
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 · 4 overturned (ump overruled) · 0 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Denzel Clarke — ump said ball, robot ruled strike: overturned.
- 2Shea Langeliers — ump said strike, robot ruled ball: overturned.
- 3Luis Torrens — ump said strike, robot ruled ball: overturned.
- 4Tyrone Taylor — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.