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MLB · Wednesday, September 2, 2026

Seattle Mariners @ Boston Red Sox

Graded — this page is the complete record.

The lean (0 units — logged, not staked)

Boston Red Sox ML (-130, Caesars) · confidence 56.0% of 10,000 sims · edge -0.5 pts · 0u

Bryce Miller (4.12 ERA, 1.09 WHIP) vs Patrick Sandoval (4.20 ERA, 1.71 WHIP).

Projected 4.1–4.9; sim total 9 against a 8.5 line; park factor 1.06.

Market at board time: moneyline +118 / -134 (consensus at board time) · total 8.5.

Circuit-breaker log (7 checks)
  • Rule 2 check passed: market line -130 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 56.5% vs de-vigged market 55.5%: 1.0-point divergence within the 12-point cap (blended to 56.0% at MODEL_WEIGHT=0.5).
  • Edge gate: model edge vs offered price is -0.5 pts (minimum 2). No allocation; a good side at a bad price is a bad bet.
  • Rule 4 flag: Patrick Sandoval under 60 IP this deep in the season (limited workload / possible IL return). Volume freeze: confidence downgraded one tier.
  • Rule 6 check passed: away 14-day wOBA 0.303 vs league 0.317 (gap +0.013, threshold 0.035).
  • Rules 3/5 (velocity/spin telemetry): manual review required: Statcast feed not wired.
  • Weather (totals paper track ONLY): 70°F at first pitch: run environment x1.001. Applied to the paper totals pick; the staked board ignores weather entirely.

Open vs close

MarketBoard timeClose
Moneyline (away / home)+118 / -134+118 / -135
Total8.58.5 (o-110 / u-110)

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.

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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