Marlins vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 8

Odds updated as of 5:12 p.m.

The MLB's Monday slate includes the Miami Marlins taking on the Washington Nationals.

All the information you need to make smart wagers on this game at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Marlins vs Nationals Game Info

• Miami Marlins (66-77) vs. Washington Nationals (58-84)
• Date: Monday, September 8, 2025
• Time: 6:40 p.m. ET
• Venue: loanDepot park -- Miami, Florida
• Coverage: FDSFL and MASN

Marlins vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: MIA: (-132) | WSH: (+112)
• Spread: MIA: -1.5 (+158) | WSH: +1.5 (-192)
• Total: 8.5 -- Over: (-110) | Under: (-110)

Marlins vs Nationals Probable Starting Pitchers

Probable Pitchers: Janson Junk (Marlins) - 6-2, 4.09 ERA vs Cade Cavalli (Nationals) - 2-1, 4.85 ERA

This contest's pitching matchup is set, as the Marlins will send Janson Junk (6-2) to the mound, while Cade Cavalli (2-1) will answer the bell for the Nationals. Junk's team is 10-1-0 against the spread this season in his starts. Junk's team won his only start as a favorite this season. The Nationals have gone 4-2-0 against the spread when Cavalli starts. The Nationals have a 3-2 record in Cavalli's five starts this season when they were the underdog on the moneyline.

Marlins vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (66.2%)

Marlins vs Nationals Moneyline

• Miami is the favorite, -132 on the moneyline, while Washington is a +112 underdog on the road.

Marlins vs Nationals Spread

• The Marlins are hosting the Nationals and are favored by 1.5 runs on the spread. The Marlins are +158 to cover the runline, with the Nationals being -192.

Marlins vs Nationals Over/Under

• A combined run total of 8.5 has been set for Marlins-Nationals on Sept. 8, with the over at -110 and the under at -110.

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Marlins vs Nationals Betting Trends

• The Marlins have been favorites in 21 games this season and have come away with the win eight times (38.1%) in those contests.
• Miami has a record of 2-10 in contests when bookmakers favor them by -132 or more on the moneyline.
• The Marlins' games have gone over the total in 67 of their 139 opportunities.
• The Marlins have posted a record of 79-60-0 against the spread this season.
• The Nationals have compiled a 50-65 record in games they were the underdog on the moneyline (winning 43.5% of those games).
• Washington has a 42-56 record (winning 42.9% of its games) when playing as a moneyline underdog of +112 or longer.
• The Nationals have combined with opponents to hit the over on the total 72 times this season for a 72-57-7 record against the over/under.
• The Nationals have gone 68-68-0 against the spread this season.

Marlins Player Leaders

• Otto Lopez is batting .248 with 18 doubles, 14 home runs and 44 walks. He has an on-base percentage of .315 and a slugging percentage of .376.
• Among qualified batters in baseball, his batting average ranks 95th, his on-base percentage ranks 107th, and he is 132nd in slugging.
• Xavier Edwards leads Miami in slugging percentage (.350) thanks to 27 extra-base hits. He's batting .279 with an on-base percentage of .336.
• He is 25th in batting average, 63rd in on-base percentage and 144th in slugging among qualified hitters.
• Agustin Ramirez is batting .228 with a .415 slugging percentage and 60 RBI this year.
• Ramirez brings a two-game hitting streak into this game. In his last five games he is batting .158 with two walks.
• Eric Wagaman is batting .240 with a .291 OBP and 46 RBI for Miami this season.
• Wagaman brings a four-game hitting streak into this matchup. During his last five outings he is batting .308 with two doubles, a walk and an RBI.

Nationals Player Leaders

• C.J. Abrams has 30 doubles, five triples, 17 home runs and 34 walks while hitting .265. He's slugging .446 with an on-base percentage of .328.
• Including all qualifying hitters in the big leagues, he is 57th in batting average, 78th in on-base percentage and 66th in slugging percentage.
• Abrams takes a four-game hitting streak into this game. In his last five games he is hitting .222 with two doubles.
• James Wood's 135 hits, .352 OBP and .466 slugging percentage all lead his team. He has a batting average of .255.
• Including all qualified players, his batting average places him 86th, his on-base percentage is 36th, and he is 44th in slugging.
• Luis Garcia is batting .261 with 27 doubles, a triple, 12 home runs and 24 walks.
• Josh Bell has 13 doubles, a triple, 17 home runs and 54 walks while batting .225.

Marlins vs Nationals Head to Head

• 9/3/2025: 10-5 WSH (Favorite: Marlins, Spread: -1.5, Total: 9, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 9/2/2025: 5-2 WSH (Favorite: Nationals, Spread: -1.5, Total: 9, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 9/1/2025: 2-0 WSH (Favorite: Nationals, Spread: -1.5, Total: 9, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 6/15/2025: 3-1 MIA (Favorite: Nationals, Spread: -1.5, Total: 7.5, Favorite Moneyline: -158, Underdog Moneyline: +134)
• 6/14/2025: 4-3 MIA (Favorite: Nationals, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 6/13/2025: 11-9 MIA (Favorite: Nationals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 4/13/2025: 11-4 MIA (Favorite: Nationals, Spread: -1.5, Total: 8, Favorite Moneyline: -148, Underdog Moneyline: +126)
• 4/12/2025: 7-6 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 4/11/2025: 7-4 WSH (Favorite: Nationals, Spread: -1.5, Total: 8, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 9/15/2024: 4-3 WSH (Favorite: Nationals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -168, Underdog Moneyline: +142)

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