BOS @ STL
Home plate: Chad Fairchild
“A pitcher's-nightmare zone — you had to paint it to get it.”
What this shows — how Chad Fairchild called the 150 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
The calls that moved the game
- 1+0.23▲4 · 0-2 strike called ball
Roman Anthony vs Andre Pallante - 2-0.19▲6 · 2-0 ball called strike
Caleb Durbin vs George Soriano - 3+0.19▼6 · 2-0 strike called ball
Iván Herrera vs Brayan Bello
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 the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Alec Burleson — ump said ball, robot ruled strike: 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.