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Home/MLB/Washington Nationals @ Miami Marlins
MLB · 2026-08-21

Washington Nationals vs Miami Marlins

loanDepot park

Washington Nationals
61-68
VS
Miami Marlins
64-64
54%
Washington Nationals win probability · +136
Tale of the tape
54%Win probability46%
0.473Win %0.500
+17Run differential+14
Lean+136 · FanDuel
Washington Nationals to win
Our model makes Washington Nationals 54% to win, but the price only implies 42% — that 12-point gap is where the value is.

Our read leans Washington Nationals over Miami Marlins — a 54% win probability once everything is weighed. A modest 54% lean — fine as a small play or a parlay leg. Pitching matchup: Ryan Gusto (4.70 ERA) vs Brad Lord (4.04 ERA).

Why we lean this way

  • Form & record: Miami Marlins sit 64-64 (0.500), Washington Nationals 61-68 (0.473).
  • Last 10: Miami Marlins 5-5 (L3), Washington Nationals 3-7 (L1). Hot streaks move these lines fast.
  • Run differential: Miami Marlins +14, Washington Nationals +17 on the year — the most honest measure of how good a team actually is, beyond their record.
  • On the mound: Miami Marlins hand the ball to Ryan Gusto; Washington Nationals counter with Brad Lord. Starting pitching swings a baseball game more than any other factor.
  • Home field: worth about +3.5% to Miami Marlins in our model.

The verdict

Bottom line: Washington Nationals to win is a slight lean. Treat it like a 54% spot — not a sure thing, because there is no such thing. Size it sensibly and enjoy the game.

Logged to our public track record and graded after the final. We analyze; we never take wagers. 21+.

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