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Miami Marlins vs. Washington Nationals: Odds, Predictions & Betting Guide

Home | MLB | Miami Marlins vs. Washington Nationals: Odds, Predictions & Betting Guide

On Tuesday, September 9, the Miami Marlins (66–77) host the Washington Nationals (58–84) at loanDepot Park in Miami. Kickoff is scheduled for the evening, with both teams set to send right-handed arms to the mound: Janson Junk for Miami and Cade Cavalli for Washington. Expect a tightly contested matchup—with somewhat balanced starting pitching, but noticeable offensive differences—and betting angles that lean slightly toward value plays. Here’s a full breakdown of what to watch, plus expert analysis and picks.

Match Overview

DetailInformation
DateTuesday, 9 September 2025
TimeApprox. 10:40 p.m. ET
VenueloanDepot Park, Miami, FL
TeamsWashington Nationals vs. Miami Marlins
LeagueMajor League Baseball (MLB)

On Tuesday, September 9, 2025, at around 10:40 p.m. ET, the Miami Marlins (66–77) will welcome the struggling Washington Nationals (58–84) to loanDepot Park. The Marlins are the slight favorites on the moneyline, while the Nationals offer better value on the spread. With the total hovering around 8 runs, this game presents a strategic betting opportunity for both pitching stability and offensive upside.

Game Odds & Lines

Bet TypeOdds
MoneylineMarlins: –136 • Nationals: +115
Run LineMarlins –1.5: +158 • Nationals +1.5: –192
Total Runs (O/U)8 — Over: –110 • Under: –110

Starting Pitchers

TeamStarting Pitcher
Miami MarlinsJanson Junk (6–2, 4.09 ERA)
Washington NationalsCade Cavalli (2–1, 4.85 ERA)

Weather & Ballpark Conditions

Expect typical late-summer Miami conditions: warm and muggy with a chance of evening showers, which could favor hitters if the outfield becomes playing faster.

Last 5 Games Record

TeamLast 5 Games
Miami MarlinsW–L–W–W–W (including win over Phillies on September 7)
Washington NationalsL–L–W–W–L (loss to Marlins September 3–2, recent road struggles)

Head-to-Head Record

Miami holds the home-field edge and timely offense, while Washington has underperformed overall this season.

  • Marlins are slight moneyline favorites at home, suggesting oddsmakers trust their hill and offense.
  • Stats Insider’s predictive model gives Marlins a 51% win probability but suggests value in the underdog Nationals, especially on the spread.
  • Last five games trends: Marlins are on a winning streak, while Nationals have inconsistencies, particularly on the road.
  • Moneyline: Marlins @ –136 — lean with value based on home advantage.
  • Run Line: Nationals +1.5 (–192) — safer spread pick for risk-averse bettors.
  • Total Runs: Under 8 (–110) — with starting pitching and possible Miami offensive lull, under seems plausible.

Miami Marlins vs. Washington Nationals Predicted Outcome

Both pitchers have somewhat similar, modest ERAs, setting this up as a low-to-moderate scoring game. Miami’s momentum and home advantage give them an edge, while Washington’s value lies in the spread if they keep it close. Expect a final score around 4–2 in favor of the Marlins, with a strong chance the game stays under 8 runs.

Sources: https://www.oddsshark.com/, https://www.cbssports.com/, https://www.foxsports.com/, https://www.mybookie.ag/sportsbook/

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