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MLB · Monday, September 7, 2026

Arizona Diamondbacks @ Kansas City Royals

Graded — this page is the complete record.

The lean (0 units — logged, not staked)

Kansas City Royals ML (-108, BetUS) · confidence 51.6% of 10,000 sims · edge -0.3 pts · 0u

Derek Law (1.93 ERA, 1.07 WHIP) vs Noah Cameron (4.08 ERA, 1.22 WHIP).

Projected 4.4–4.6; sim total 8.9 against a 9 line; park factor 1.03.

Market at board time: moneyline -102 / -112 (consensus at board time) · total 9.

Circuit-breaker log (8 checks)
  • Rule 2 check passed: market line -108 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 52.1% vs de-vigged market 51.1%: 1.0-point divergence within the 12-point cap (blended to 51.6% at MODEL_WEIGHT=0.5).
  • Edge gate: model edge vs offered price is -0.3 pts (minimum 2). No allocation; a good side at a bad price is a bad bet.
  • Rule 4 flag: Derek Law 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 0.268 trails league 0.317 by 0.049 (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): 91°F at first pitch: run environment x1.084. Applied to the paper totals pick; the staked board ignores weather entirely.
  • ✳ Best of Board: the gates left no held plays today, so this is the model's top remaining lean — 0 units, NOT staked, published for transparency. The checks above show exactly which gate it failed.

👁 Watch (market-proving, 0u): Under 9 (+106, FanDuel) · model 56.4% · edge +7.9 pts · divergence +8.6 pts

Open vs close

MarketBoard timeClose
Moneyline (away / home)-102 / -112-104 / -112
Total99 (o-118 / u+100)

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 9 (+106, FanDuel) — PUSH (+0.00u 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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