Blue Notes · Umpire Grade2026-07-05
SF @ COL
Home plate: Tom Hanahan
“If it was close, it was a strike. The hitters noticed.”
Umpire Grade
89.8% accurate
Run Favor
runs, SF
ABS Overturns
of 4 reviewed
What this shows — how Tom Hanahan called the 147 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 132 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▲1 · 1-1 strike called ball
Heliot Ramos vs Tanner Gordon - 2+0.13▼1 · 1-0 strike called ball
Hunter Goodman vs Tyler Mahle - 3+0.13▲4 · 1-0 strike called ball
Willy Adames vs Tanner Gordon
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 · 2 overturned (ump overruled) · 2 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.
- 1Heliot Ramos — ump said strike, robot ruled strike: upheld.
- 2Brett Sullivan — ump said ball, robot ruled ball: upheld.
- 3Brett Sullivan — ump said strike, robot ruled ball: overturned.
- 4Brett Sullivan — ump said strike, robot ruled ball: overturned.
Our tracked-rulebook zone matched the ABS ruling on 1 of 4 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.