ATL @ PHI
Home plate: Clint Vondrak
“The zone stretched its legs.”
What this shows — how Clint Vondrak called the 109 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 93 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▲2 · 0-2 strike called ball· challenged ✓
Matt Olson vs Jesús Luzardo - 2+0.19▼1 · 2-0 strike called ball
Bryce Harper vs Grant Holmes - 3-0.19▲5 · 2-0 ball called strike
Austin Riley vs Jesús Luzardo
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 · 3 overturned (ump overruled) · 1 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.
- 1Bryce Harper — ump said strike, robot ruled ball: overturned.
- 2J.T. Realmuto — ump said ball, robot ruled strike: overturned.
- 3J.T. Realmuto — ump said ball, robot ruled strike: overturned.
- 4J.T. Realmuto — 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.