Blue Notes · Umpire Grade2026-04-07
SD @ PIT
Home plate: Ryan Blakney
“Somebody's pitching staff sent a thank-you note.”
Umpire Grade
92.1% accurate
Run Favor
runs, PIT
ABS Overturns
of 5 reviewed
What this shows — how Ryan Blakney called the 139 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 128 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▼4 · 3-2 strike called ball
Ryan O'Hearn vs Nick Pivetta - 2+0.69▼7 · 3-2 strike called ball
Spencer Horwitz vs Wandy Peralta - 3+0.39▼3 · 2-2 strike called ball
Henry Davis vs Nick Pivetta
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.
- 1Freddy Fermin — ump said strike, robot ruled ball: overturned.
- 2Freddy Fermin — ump said ball, robot ruled ball: upheld.
- 3Ryan O'Hearn — ump said ball, robot ruled strike: overturned.
- 4Ryan O'Hearn — ump said ball, robot ruled strike: overturned.
- 5Manny Machado — ump said strike, robot ruled strike: upheld.
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.