Marlins vs. Nationals Dunkel MLB Picks, Predictions and Prop Bets - Sept. 9

The Washington Nationals aim to prolong their three-game winning streak when they face the Miami Marlins on Tuesday at 6:40 p.m. ET, at loanDepot park. Adam Mazur (0-2, 5.74 ERA) gets the start for the Marlins, who are 66-78 this season and third in the NL East. Mitchell Parker (7-15, 5.87 ERA) is the expected starter for the Nationals, who are 59-84 and fifth in the NL East.

The Nationals (+101) take their show on the road to face the favored Marlins (-120). The game's total is set at 9.

Marlins vs. Nationals Odds, Game Time

• Game day: Tuesday, September 9, 2025
• Game time: 6:40 p.m. ET
• Location: Miami, Florida
• Stadium: loanDepot park
• Favorite: Marlins (-120)
• Underdog: Nationals (+101)
• Over/under: 9

How to Watch Marlins vs. Nationals

• TV Channel: MASN2 (Washington DC)
• Live Stream: Fubo (Watch for free)

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Marlins vs. Nationals: Betting the Moneyline

• The Marlins have gone 10-14 in games they were favored on the moneyline (winning 41.7% of those games).
• Washington has been victorious in 53, or 42.7%, of the 124 contests it has been chosen as underdogs in this season.
• Miami has a record of 5-12, a 29.4% win rate, when favored by -120 or more by sportsbooks this season.
• This season, the Nationals have come away with a win 48 times in 110 chances when named as an underdog of at least +101 or longer on the moneyline.
• The Marlins have an implied moneyline win probability of 54.5% in this contest.
• The moneyline set for this matchup implies the Nationals have a 49.8% chance of coming away with a victory in the contest.

Marlins vs. Nationals: Betting the Spread & Total

• The Marlins have played in 144 games with a set over/under, and have combined with their opponents to go over the total 69 times (69-71-4).
• Washington and its opponents have gone over the total this season in 71 of its 142 opportunities.
• The Marlins have put together an 82-62-0 record ATS this season.
• The Nationals have posted a record of 71-71-0 against the spread this season.