Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-05-06

CLE @ KC

Home plate: Edwin Moscoso

The players kept asking for a second opinion — and kept getting one.

B+
Umpire Grade
93.8% accurate
0.0
Run Favor
runs, KC
5
ABS Overturns
of 8 reviewed

What this shows — how Edwin Moscoso called the 162 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 152 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

Challenge 1: Elias Díaz — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Austin Hedges — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).2Challenge 3: Austin Hedges — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).3Challenge 4: Daniel Schneemann — the ump called it a strike, the robot ruled ball (OVERTURNED — ump overruled).4Challenge 5: Bobby Witt Jr. — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: Austin Hedges — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6Challenge 7: Kyle Isbel — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).7Challenge 8: Austin Hedges — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).8
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.281 · 1-2 strike called ball
    Angel Martínez vs Cole Ragans
  2. 2+0.289 · 1-2 strike called ball· challenged
    Isaac Collins vs Cade Smith
  3. 3+0.131 · 1-0 strike called ball· challenged
    Bobby Witt Jr. vs Joey Cantillo

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

8 pitches went to the robots · 5 overturned (ump overruled) · 3 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Elias Díaz — ump said ball, robot ruled strike: overturned.
  2. 2Austin Hedges — ump said ball, robot ruled strike: overturned.
  3. 3Austin Hedges — ump said ball, robot ruled strike: overturned.
  4. 4Daniel Schneemann — ump said strike, robot ruled ball: overturned.
  5. 5Bobby Witt Jr. — ump said strike, robot ruled strike: upheld.
  6. 6Austin Hedges — ump said ball, robot ruled ball: upheld.
  7. 7Kyle Isbel — ump said strike, robot ruled strike: upheld.
  8. 8Austin Hedges — ump said ball, robot ruled strike: overturned.

Our tracked-rulebook zone matched the ABS ruling on 7 of 8 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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