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⚾ MLB MAIN SLATE GPP PLAYBOOK (7:05 ET · 13 games) — Win First: Coors Leverage, the Underrated Arms & the Contrarian Blueprint (7/21)

⏱ 20-25 min read · 🏟️ CLASSIC · 10-man roster · $50,000 cap · MAIN SLATE · locks 7:05 PM ET

Article by James at CourtEdge · 2026-07-21 · CourtEdge Analytics · Proprietary Models

📌 TODAY'S PLAYBOOKS: Main Slate (this) · Boom/Bust Board →
🎯 TONIGHT'S SHOWDOWNS: LAD@PHI · PIT@NYY · SD@ATL · WSH@COL (Coors)

The free look — and the thesis: thirteen games, first pitch 7:05 ET, and you are not here to cash a double-up. You are here to finish first in a large field, and that is a completely different game. Cash is about being right; a tournament is about being right and different. Washington–Colorado at Coors carries a 13.1 total — the only double-digit number on the board — and Washington's 7.3 implied and Colorado's 5.8 make it the obvious engine. But "obvious" is the problem: the entire field sees the same 13.1. The winning question tonight is not whether to play Coors — it's how to play Coors in a way 90% of the field won't, which arm to pivot to when everyone crowds the two chalk aces, and which sub-4%-owned bats have the ceiling to break a lineup open. The field will build the same WSH-COL smash. First place goes to the person who builds it differently.

🌡️ The thirteen environments — free for everyone

Game (ET)O/UImplied (away/home)SPs (away/home)Environment
PIT@NYY (7:05)9.54.0 / 5.5Chandler / Warren🌧️ Flood Watch — highest PPD risk; NYY without Judge & Stanton
TB@TOR (7:07)7.54.5 / 3.0Rasmussen / Gausman🔒 Two priced arms — Rasmussen a hidden 31-ceiling GPP arm
BAL@BOS (7:10)8.53.5 / 5.0Bradish / Suarez🌧️ ~90% rain at Fenway — but Bradish is a 3%-owned leverage bomb
SD@ATL (7:15)9.13.8 / 5.3Buehler / R. LopezBuehler struggling (5.36); ATL without Acuña
NYM@MIL (7:40)9.13.8 / 5.3Thornton / SproatThornton = 2%-owned, 198-leverage sleeper arm
SF@KC (7:40)9.55.5 / 4.0Mahle / Avila💤 SF 5.5 total — 3rd-highest on the slate, near-zero ownership
DET@CHC (8:05)8.13.3 / 4.8Valdez / Peterson🌪️ Wrigley wind IN 15-20 — Framber (2.5%) is the leverage arm
CWS@TEX (8:05)8.53.5 / 5.0Schultz / RockerTEX value bats vs weak CWS; no Seager
MIA@HOU (8:10)9.13.8 / 5.3Phillips / ImaiImai boom/bust (6.06 ERA); Correa out HOU
WSH@COL (8:40)13.17.3 / 5.8Mikolas / Lorenzen🌋 COORS — 82°F — the engine AND the biggest chalk on the slate
STL@LAA (9:38)9.15.3 / 3.8Liberatore / UrenaUrena a 4%-owned, 10-floor leverage arm vs weak STL road split
CIN@SEA (9:40)7.54.5 / 3.0Burns / Castillo🔒 Burns the chalk ace (13.9%); Julio & Crawford day-to-day
ATH@ARI (9:40)9.54.0 / 5.5Perkins / DrakeARI 5.5 total — a quiet mid-total stack in the nightcap

Weather desk: Coors (WSH@COL) is 82° with a south wind 8-11 — two 5.50+ ERA arms (Mikolas 5.53, Lorenzen 6.22) at altitude is the highest-scoring environment on the board, and everyone knows it. Wrigley (DET@CHC) is the misread: the wind is blowing IN at 15-20 mph, gusts to 25 — that is pitcher-friendly, and it's why Framber Valdez at 2.5% owned is a live leverage arm, not a fade. Two games carry real rain overhang: PIT@NYY (Flood Watch, postponement realistic) and BAL@BOS (~90% precip) — lock-monitor spots, but note the leverage arm hiding under that Fenway cloud. The market voted a lone 13.1 onto a 13-game board; the field will pile in. Your job is to get there sideways.

Below the line: the ranked stacks with proprietary CourtEdge team ownership and a "differentiate here" note on each; the arms board rebuilt in three explicit tiers — studs, mid, value — splitting the chalk aces from the leverage arms (Bradish 3%, Thornton 2%, Framber 2.5%, Rasmussen 5.3%, Urena 4%) and flagging the cheap-pitcher traps; the low-owned boom bats; the cheap-value board; The Contrarian Blueprint; a field-size playbook for single-entry GPPs; six named cash plays; and the cap-checked Cash Core. Every number below is verified against proprietary CourtEdge projected ownership.

JUMP TO (⏱ 20-25 min): 🎯 The GPP thesis · 📊 Top stacks · 🔥 Arms in tiers · 🧑‍💼 Hitter tiers · 🧨 Leverage bat board · 💲 Best value · 💥 Boom/Bust read · 🏆 The Contrarian Blueprint · 🎯 Single-entry GPPs · ⚔️ Chin Music vs 150 · 💵 Six cash plays · 💵 Cash Core · 🔬 Methodology
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The first-place blueprint is for members

Behind the paywall: the ranked stacks with proprietary CourtEdge ownership and how to build a WSH stack that isn't the field's WSH stack, the chalk-vs-leverage arms board with the exact pivots, the low-owned boom-bat board, the value enablers, and The Contrarian Blueprint for assembling a lineup built to finish first. Every pick graded & published, win or lose.

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