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MLB · Tuesday, August 18, 2026

Detroit Tigers @ Pittsburgh Pirates

Graded — this page is the complete record.

The lean (0 units — logged, not staked)

Pittsburgh Pirates ML (-138, LowVig.ag) · confidence 53.8% of 10,000 sims · edge -4.2 pts · 0u

Keider Montero (3.22 ERA, 0.99 WHIP) vs Braxton Ashcraft (3.82 ERA, 1.10 WHIP).

Projected 4.3–4.4; sim total 8.6 against a 8 line; park factor 0.97.

Market at board time: moneyline +125 / -141 (consensus at board time) · total 8.

Circuit-breaker log (7 checks)
  • Rule 2 check passed: market line -138 within the night-game juice cap (-180; night -180, day -170, day = first pitch before 17:00 venue-local).
  • Rule 8 check passed: raw model 50.8% vs de-vigged market 56.8%: 6.0-point divergence within the 12-point cap (blended to 53.8% at MODEL_WEIGHT=0.5).
  • Edge gate: model edge vs offered price is -4.2 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 0.329 vs league 0.315 (gap -0.014, threshold 0.035).
  • Rules 3/5 (velocity/spin telemetry): manual review required: Statcast feed not wired.
  • Weather (totals paper track ONLY): 80°F at first pitch: run environment x1.040. Applied to the paper totals pick; the staked board ignores weather entirely.

Open vs close

MarketBoard timeClose
Moneyline (away / home)+125 / -141+126 / -141
Total88 (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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