Blue Notes · Umpire Grade2026-06-06
PIT @ ATL
Home plate: Paul Clemons
“You could set a watch by that zone.”
Umpire Grade
95.9% accurate
Run Favor
runs, ATL
ABS Overturns
of 4 reviewed
What this shows — how Paul Clemons called the 147 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 141 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+0.13▲5 · 1-1 strike called ball
Spencer Horwitz vs Spencer Strider - 2-0.13▲2 · 1-0 ball called strike
Nick Gonzales vs Spencer Strider - 3-0.13▼3 · 1-0 ball called strike
Austin Riley vs Braxton Ashcraft
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.
- 1Mike Yastrzemski — ump said strike, robot ruled strike: upheld.
- 2Endy Rodríguez — ump said strike, robot ruled strike: upheld.
- 3Ozzie Albies — ump said strike, robot ruled strike: upheld.
- 4Oneil Cruz — ump said strike, robot ruled strike: upheld.
Our tracked-rulebook zone matched the ABS ruling on 4 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.