Fever BaseballFor collectors and stat nerdsFuture Value Radar (FVR) · On the record
Blue Notes · Umpire Grade2026-09-15

BAL @ NYM

Home plate: Mark Ripperger

“The plate grew a few inches after the first pitch.”

D
Umpire Grade
87.0% accurate
0.1
Run Favor
runs, NYM
1
ABS Overturns
of 6 reviewed

What this shows — how Mark Ripperger called the 161 pitches that were taken (no swing), graded against the tracked rulebook strike zone. He got 140 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: Yohel Pozo — the ump called it a ball, the robot ruled strike (OVERTURNED — ump overruled).1Challenge 2: Francisco Alvarez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).2Challenge 3: A.J. Ewing — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).3Challenge 4: Gunnar Henderson — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).4Challenge 5: Jeremiah Jackson — the ump called it a strike, the robot ruled strike (upheld — ump confirmed).5Challenge 6: Francisco Alvarez — the ump called it a ball, the robot ruled ball (upheld — ump confirmed).6
strike called ballball called strikeABS overturnedABS upheld

The calls that moved the game

  1. 1+0.69▲11 · 3-2 strike called ball
    Dylan Beavers vs Jonathan Pintaro
  2. 2+0.30▼1 · 3-1 strike called ball
    Carson Benge vs Shane Baz
  3. 3+0.23▲4 · 0-2 strike called ball
    Gunnar Henderson vs Sean Manaea

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

6 pitches went to the robots · 1 overturned (ump overruled) · 5 upheld (ump confirmed). This is the ABS system’s own measurement — Hawk-Eye optical ball-tracking, not our model.

  1. 1Yohel Pozo — ump said ball, robot ruled strike: overturned.
  2. 2Francisco Alvarez — ump said ball, robot ruled ball: upheld.
  3. 3A.J. Ewing — ump said strike, robot ruled strike: upheld.
  4. 4Gunnar Henderson — ump said strike, robot ruled strike: upheld.
  5. 5Jeremiah Jackson — ump said strike, robot ruled strike: upheld.
  6. 6Francisco Alvarez — ump said ball, robot ruled ball: upheld.

Our tracked-rulebook zone matched the ABS ruling on 6 of 6 — a zone-definition gap (ABS grades a standardized, height-based zone), not our error.

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