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MLB · Saturday, September 12, 2026

Kansas City Royals @ Boston Red Sox

Graded — this page is the complete record.

The lean (0 units — logged, not staked)

Boston Red Sox -1.5 run line · confidence 43.7% of 10,000 sims · edge -6.8 pts · 0u

Randy Dobnak (2.54 ERA, 1.32 WHIP) vs Ranger Suarez (3.44 ERA, 1.22 WHIP).

Projected 4.1–4.8; sim total 8.9 against a 8.5 line; park factor 1.06.

Market at board time: moneyline +180 / -215 (consensus at board time) · total 8.5.

Circuit-breaker log (7 checks)
  • Rule 2 fired: market line -212 exceeds the day-game juice cap (-170): pivoted off the moneyline to BOS -1.5 (covers 43.7% of sims).
  • Rule 8 check passed: raw model 56.6% vs de-vigged market 65.6%: 9.0-point divergence within the 12-point cap (blended to 43.7% at MODEL_WEIGHT=0.5).
  • Edge gate: model edge vs offered price is -6.8 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 0.320 vs league 0.319 (gap -0.001, threshold 0.035).
  • Rules 3/5 (velocity/spin telemetry): manual review required: Statcast feed not wired.
  • Weather (totals paper track ONLY): 72°F at first pitch: run environment x1.007. Applied to the paper totals pick; the staked board ignores weather entirely.

Open vs close

MarketBoard timeClose
Moneyline (away / home)+180 / -215+183 / -215
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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