Blue Notes · Umpire Grade2026-06-10
NYY @ CLE
Home plate: Mark Wegner
“The zone kept its promises.”
Umpire Grade
93.4% accurate
Run Favor
runs, NYY
ABS Overturns
of 5 reviewed
What this shows — how Mark Wegner called the 166 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 155 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+0.69▲6 · 3-2 strike called ball
Jazz Chisholm Jr. vs Parker Messick - 2-0.30▼9 · 3-1 ball called strike· challenged ✓
Stuart Fairchild vs Ryan Yarbrough - 3-0.28▲6 · 1-2 ball called strike· challenged ✓
Trent Grisham vs Parker Messick
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.
- 1Rhys Hoskins — ump said strike, robot ruled strike: upheld.
- 2Trent Grisham — ump said strike, robot ruled ball: overturned.
- 3Ali Sánchez — ump said ball, robot ruled ball: upheld.
- 4José Caballero — ump said strike, robot ruled ball: overturned.
- 5Stuart Fairchild — ump said strike, robot ruled ball: overturned.
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.