Blue Notes · Umpire Grade2026-04-14
SF @ CIN
Home plate: Paul Clemons
“An honest evening's grade: nothing loud, nothing missed by much.”
Umpire Grade
95.8% accurate
Run Favor
runs, SF
ABS Overturns
of 1 reviewed
What this shows — how Paul Clemons called the 144 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 138 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▲8 · 1-2 strike called ball
Matt Chapman vs Tony Santillan - 2-0.13▼2 · 1-0 ball called strike
Eugenio Suárez vs Robbie Ray - 3+0.13▼5 · 1-0 strike called ball· challenged ✓
Dane Myers vs Robbie Ray
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.
- 1Dane Myers — ump said ball, robot ruled strike: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 1 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.