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MLB · Friday, September 18, 2026

Athletics @ Cleveland Guardians

Graded — this page is the complete record.

The lean (0 units — logged, not staked)

Cleveland Guardians -1.5 run line · confidence 46.2% of 10,000 sims · edge -4.7 pts · 0u

Mason Barnett (7.08 ERA, 1.62 WHIP) vs Daniel Espino (2.92 ERA, 1.22 WHIP).

Projected 3.8–4.9; sim total 8.7 against a 8.5 line; park factor 0.97.

Market at board time: moneyline +190 / -225 (consensus at board time) · total 8.5.

Circuit-breaker log (7 checks)
  • Rule 2 fired: market line -216 exceeds the night-game juice cap (-180): pivoted off the moneyline to CLE -1.5 (covers 46.2% of sims).
  • Rule 8 check passed: raw model 60.6% vs de-vigged market 66.8%: 6.2-point divergence within the 12-point cap (blended to 46.2% at MODEL_WEIGHT=0.5).
  • Edge gate: model edge vs offered price is -4.7 pts (minimum 2). No allocation; a good side at a bad price is a bad bet.
  • Rule 4 flag: Mason Barnett, Daniel Espino under 60 IP this deep in the season (limited workload / possible IL return). Volume freeze: confidence downgraded one tier.
  • Rule 6 flag: away 14-day wOBA 0.281 trails league 0.321 by 0.039 (threshold 0.035). 8% run tax applied to the away run rate.
  • Rules 3/5 (velocity/spin telemetry): manual review required: Statcast feed not wired.
  • Weather (totals paper track ONLY): 69°F at first pitch: run environment x0.998. Applied to the paper totals pick; the staked board ignores weather entirely.

👁 Watch (market-proving, 0u): Under 8.5 (-107, LowVig.ag) · model 55.1% · edge +3.4 pts · divergence +5.0 pts

Open vs close

MarketBoard timeClose
Moneyline (away / home)+190 / -225+151 / -179
Total8.58.5 (o-105 / u-114)

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 8.5 (-107, LowVig.ag) — WIN (+0.94u 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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