Blue Notes · Umpire Grade2026-04-19
TB @ PIT
Home plate: Paul Clemons
“The zone kept its promises.”
Umpire Grade
91.7% accurate
Run Favor
runs, PIT
ABS Overturns
of 1 reviewed
What this shows — how Paul Clemons called the 120 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 110 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+0.28▼4 · 1-2 strike called ball
Konnor Griffin vs Shane McClanahan - 2+0.20▲2 · 2-1 strike called ball
Richie Palacios vs Mitch Keller - 3+0.13▼3 · 1-1 strike called ball
Nick Gonzales vs Shane McClanahan
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.
- 1Hunter Feduccia — ump said strike, robot ruled ball: 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.