Marlins vs. Nationals Dunkel MLB Picks, Predictions and Prop Bets - Aug. 21

The Miami Marlins and Washington Nationals square off on Friday at 7:10 p.m. ET, beginning a three-game series at loanDepot park. Ryan Gusto (0-3, 4.70 ERA) gets the start for the Marlins, who are 64-64 this season and third in the NL East. Brad Lord (5-2, 4.04 ERA) is the expected starter for the Nationals, who are 61-68 and fourth in the NL East.

The Nationals (+130) are on the road versus the favored Marlins (-147). The game's over/under is set at 7.5.

Marlins vs. Nationals Odds, Game Time

• Game day: Friday, August 21, 2026
• Game time: 7:10 p.m. ET
• Location: Miami, Florida
• Stadium: loanDepot park
• Favorite: Marlins (-147)
• Underdog: Nationals (+130)
• Over/under: 7.5

How to Watch Marlins vs. Nationals

• TV Channel: MIAM and NATS
• Live Stream: Fubo (Watch for free)

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Marlins vs. Nationals: Betting the Moneyline

• The Marlins have won 38 of the 58 games they were the moneyline favorite this season (65.5%).
• Washington has been victorious in 44, or 43.6%, of the 101 contests it has been chosen as underdogs in this season.
• Miami has entered 15 games this season favored by -147 or more and is 10-5 in those contests.
• This season, the Nationals have been victorious 17 times in 48 chances when named as an underdog of at least +130 or longer on the moneyline.
• Based on this matchup's moneyline, the Marlins' implied win probability is 59.5%.
• The moneyline set for this matchup implies the Nationals have a 43.5% chance of coming away with a victory in the contest.

Marlins vs. Nationals: Betting the Spread & Total

• In the 128 games in which oddsmakers have set an over/under for the Marlins, they have combined with opponents to go over the total 63 times (63-63-2).
• Washington and its opponents have gone over the total this season in 67 of its 129 opportunities.
• The Marlins have collected a 64-64-0 record ATS this season.
• The Nationals have an against the spread mark of 74-55-0 in 129 games with a line this season.