STL @ CHC
Home plate: Mark Wegner
“Reliable as a Tuesday: no complaints, no headlines.”
What this shows — how Mark Wegner called the 156 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 146 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
- 1-0.39▼2 · 2-2 ball called strike· challenged ✓
Nico Hoerner vs Michael McGreevy - 2+0.13▲8 · 1-0 strike called ball· challenged ✓
Masyn Winn vs Colin Rea - 3+0.10▲1 · 0-1 strike called ball· challenged ✓
JJ Wetherholt vs Matthew Boyd
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.
- 1Miguel Amaya — ump said ball, robot ruled strike: overturned.
- 2Nico Hoerner — ump said strike, robot ruled ball: overturned.
- 3Everson Pereira — ump said strike, robot ruled strike: upheld.
- 4Miguel Amaya — ump said ball, robot ruled strike: overturned.
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.