PHI @ SF
Home plate: Todd Tichenor
“A steady night's work behind the plate.”
What this shows — how Todd Tichenor called the 161 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 149 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+0.69▼6 · 3-2 strike called ball· challenged ✓
Matt Chapman vs Aaron Nola - 2+0.28▲8 · 1-2 strike called ball
Bryson Stott vs Blade Tidwell - 3-0.20▼6 · 2-1 ball called strike· challenged ✓
Luis Arraez vs Aaron Nola
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
5 pitches went to the robots · 3 overturned (ump overruled) · 2 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Luis Arraez — ump said strike, robot ruled ball: overturned.
- 2Matt Chapman — ump said strike, robot ruled strike: upheld.
- 3Rafael Marchán — ump said ball, robot ruled strike: overturned.
- 4Rafael Marchán — ump said ball, robot ruled strike: overturned.
- 5Patrick Bailey — ump said ball, robot ruled ball: upheld.
Our tracked-rulebook zone matched the ABS ruling on 5 of 5 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.