Blue Notes · Umpire Grade2026-06-20
BOS @ SEA
Home plate: Paul Clemons
“Reliable as a Tuesday: no complaints, no headlines.”
Umpire Grade
93.0% accurate
Run Favor
runs, BOS
ABS Overturns
of 3 reviewed
What this shows — how Paul Clemons called the 143 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 133 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
- 1-0.20▲1 · 2-1 ball called strike
Masataka Yoshida vs Emerson Hancock - 2+0.13▼8 · 1-1 strike called ball
J.P. Crawford vs Garrett Whitlock - 3-0.13▼6 · 1-0 ball called strike
Rob Refsnyder vs Connelly Early
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
3 pitches went to the robots · 2 overturned (ump overruled) · 1 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Carlos Narváez — ump said strike, robot ruled ball: overturned.
- 2Cal Raleigh — ump said ball, robot ruled ball: upheld.
- 3Carlos Narváez — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.