Blue Notes · Umpire Grade2026-05-19
PIT @ STL
Home plate: D.J. Reyburn
“Reliable as a Tuesday: no complaints, no headlines.”
Umpire Grade
92.9% accurate
Run Favor
runs, PIT
ABS Overturns
of 4 reviewed
What this shows — how D.J. Reyburn called the 154 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+0.69▲7 · 3-2 strike called ball· challenged
Marcell Ozuna vs Ryne Stanek - 2+0.19▲5 · 2-0 strike called ball
Nick Gonzales vs Matthew Liberatore - 3-0.19▲6 · 2-0 ball called strike
Brandon Lowe vs Gordon Graceffo
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 · 0 overturned (ump overruled) · 4 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Henry Davis — ump said ball, robot ruled ball: upheld.
- 2Pedro Pagés — ump said ball, robot ruled ball: upheld.
- 3Endy Rodríguez — ump said ball, robot ruled ball: upheld.
- 4Victor Scott II — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 3 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.