Fever BaseballFuture Value Radar (FVR) · On the record
RECORD: 0 HIT · 0 MISS · 12 OPEN · FIRST CALL RESOLVES AUG 12
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Blue Notes · Umpire Grade2026-05-24

SEA @ KC

Home plate: John Bacon

“Down the middle. Both dugouts had the same zone.”

B-
Umpire Grade
91.8% accurate
0.2
Run Favor
runs, SEA
0
ABS Overturns
of 3 reviewed

What this shows — how John Bacon called the 147 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 135 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: Bobby Witt Jr. — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).1Challenge 2: Salvador Perez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: Luke Raley — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.28▼5 · 1-2 strike called ball
    Michael Massey vs Bryan Woo
  2. 2+0.21▲5 · 3-0 strike called ball
    Mitch Garver vs Seth Lugo
  3. 3+0.19▲6 · 2-0 strike called ball
    Luke Raley vs Seth Lugo

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

3 pitches went to the robots · 0 overturned (ump overruled) · 3 upheld (ump confirmed). This is Hawkeye ground truth, no model involved.

  1. 1Bobby Witt Jr. — ump said strike, robot ruled strike: upheld.
  2. 2Salvador Perez — ump said ball, robot ruled ball: upheld.
  3. 3Luke Raley — ump said strike, robot ruled strike: upheld.

Our tracked-rulebook zone matched the ABS ruling on 3 of 3 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.