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MLB · Sunday, September 20, 2026

Miami Marlins @ San Diego Padres

Graded — this page is the complete record.

The lean (0 units — logged, not staked)

San Diego Padres ML (-138, FanDuel) · confidence 53.6% of 10,000 sims · edge -4.4 pts · 0u

Sandy Alcantara (3.84 ERA, 1.23 WHIP) vs Walker Buehler (4.58 ERA, 1.37 WHIP).

Projected 4.1–4.2; sim total 8.3 against a 8 line; park factor 0.95.

Market at board time: moneyline +123 / -144 (consensus at board time) · total 8.

Circuit-breaker log (7 checks)
  • Rule 2 check passed: market line -138 within the day-game juice cap (-170; night -180, day -170, day = first pitch before 17:00 venue-local).
  • Rule 8 check passed: raw model 50.4% vs de-vigged market 56.8%: 6.4-point divergence within the 12-point cap (blended to 53.6% at MODEL_WEIGHT=0.5).
  • Edge gate: model edge vs offered price is -4.4 pts (minimum 2). No allocation; a good side at a bad price is a bad bet.
  • Rule 4 check passed: both starters carry full-season workloads.
  • Rule 6 check passed: away 14-day wOBA 0.344 vs league 0.322 (gap -0.021, threshold 0.035).
  • Rules 3/5 (velocity/spin telemetry): manual review required: Statcast feed not wired.
  • Weather (totals paper track ONLY): 77°F at first pitch: run environment x1.027. Applied to the paper totals pick; the staked board ignores weather entirely.

👁 Watch (market-proving, 0u): Under 8 (-102, LowVig.ag) · model 54.4% · edge +4.0 pts · divergence +5.5 pts

Open vs close

MarketBoard timeClose
Moneyline (away / home)+123 / -144+129 / -150
Total88.5 (o-102 / u-118)

The close is the last pre-first-pitch capture. Movement toward a side after we post is the fastest honest read on pick quality — see the CLV column on the ledger.

❌ Watch pick (market-proving, paper, 0u staked): Under 8 (-102, LowVig.ag) — LOSS (-1.00u paper).

No stake rode on this game. The lean and its failed gates above are the whole position: passing is a position too.

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