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MLB · Friday, September 4, 2026

Athletics @ Seattle Mariners

Graded — this page is the complete record.

The lean (0 units — logged, not staked)

Seattle Mariners -1.5 run line · confidence 41.3% of 10,000 sims · edge -7.5 pts · 0u

Kade Morris (9.82 ERA, 2.11 WHIP) vs Logan Gilbert (3.42 ERA, 1.04 WHIP).

Projected 4–4.5; sim total 8.4 against a 7 line; park factor 0.92.

Market at board time: moneyline +186 / -220 (consensus at board time) · total 7.

Circuit-breaker log (7 checks)
  • Rule 2 fired: market line -212 exceeds the night-game juice cap (-180): pivoted off the moneyline to SEA -1.5 (covers 41.3% of sims).
  • Rule 8 check passed: raw model 54.7% vs de-vigged market 66.3%: 11.6-point divergence within the 12-point cap (blended to 41.3% at MODEL_WEIGHT=0.5).
  • Edge gate: model edge vs offered price is -7.5 pts (minimum 2). No allocation; a good side at a bad price is a bad bet.
  • Rule 4 flag: Kade Morris 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 0.345 vs league 0.318 (gap -0.027, threshold 0.035).
  • Rules 3/5 (velocity/spin telemetry): manual review required: Statcast feed not wired.
  • Weather: roofed park, no adjustment (totals paper track).

Open vs close

MarketBoard timeClose
Moneyline (away / home)+186 / -220+194 / -232
Total77 (o-120 / u-101)

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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