Marlins vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for Sept. 9

Odds updated as of 6:14 p.m.

The MLB schedule on Tuesday includes the Miami Marlins taking on the Washington Nationals.

We've got you covered, in terms of the most important information regarding this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Marlins vs Nationals Game Info

• Miami Marlins (66-78) vs. Washington Nationals (59-84)
• Date: Tuesday, September 9, 2025
• Time: 6:40 p.m. ET
• Venue: loanDepot park -- Miami, Florida
• Coverage: FDSFL and MASN2

Marlins vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: MIA: (-122) | WSH: (+104)
• Spread: MIA: -1.5 (+164) | WSH: +1.5 (-200)
• Total: 9 -- Over: (-110) | Under: (-110)

Marlins vs Nationals Probable Starting Pitchers

Probable Pitchers: Adam Mazur (Marlins) - 0-2, 5.74 ERA vs Mitchell Parker (Nationals) - 7-15, 5.87 ERA

The Marlins will give the nod to Adam Mazur (0-2) against the Nationals and Mitchell Parker (7-15). Mazur and his team have a record of 1-2-0 against the spread when he starts. This will be Mazur's first start this season with his team as the moneyline favorite. When Parker starts, the Nationals have gone 11-14-0 against the spread. The Nationals have been the underdog on the moneyline in 22 of Parker's starts this season, and they went 10-12 in those matchups.

Marlins vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (59.9%)

Marlins vs Nationals Moneyline

• Washington is the underdog, +104 on the moneyline, while Miami is a -122 favorite at home.

Marlins vs Nationals Spread

• The Nationals are +1.5 on the run line against the Marlins. The Nationals are -200 to cover, and the Marlins are +164.

Marlins vs Nationals Over/Under

• A total of 9 runs has been set for the Marlins-Nationals contest on Sept. 9, with the over available at -110 and the under at -110.

Bet on Miami Marlins vs. Washington Nationals on FanDuel today!

Marlins vs Nationals Betting Trends

• The Marlins have been favorites in 22 games this season and have come away with the win eight times (36.4%) in those contests.
• Miami has a record of 4-12 when favored by -122 or more this year.
• The Marlins and their opponents have gone over in 68 of their 140 games with a total set by sportsbooks this season.
• The Marlins have posted a record of 79-61-0 against the spread this season.
• The Nationals have been the moneyline underdog 116 total times this season. They've gone 51-65 in those games.
• When it has played as a moneyline underdog with odds of +104 or longer, Washington has gone 45-57 (44.1%).
• The Nationals have combined with opponents to hit the over on the total 73 times this season for a 73-57-7 record against the over/under.
• The Nationals have covered 50.4% of their games this season, going 69-68-0 ATS.

Marlins Player Leaders

• Otto Lopez is hitting .249 with 18 doubles, 14 home runs and 44 walks. He has an on-base percentage of .316 while slugging .377.
• Among the qualifying hitters in baseball, his batting average ranks 93rd, his on-base percentage ranks 101st, and he is 129th in slugging.
• Lopez has recorded a base hit in two straight games. During his last five outings he is hitting .353 with two home runs and four RBIs.
• Xavier Edwards has an OPS of .686, fueled by an OBP of .337 and a team-best slugging percentage of .349 this season. He's batting .279.
• Among qualified hitters, his batting average places him 24th, his on-base percentage 59th, and his slugging percentage 142nd.
• Agustin Ramirez has collected 106 base hits, an OBP of .284 and a slugging percentage of .412 this season.
• Eric Wagaman has nine home runs, 46 RBI and a batting average of .240 this season.
• Wagaman takes a four-game hitting streak into this game. During his last five outings he is batting .308 with two doubles, a walk and an RBI.

Nationals Player Leaders

• C.J. Abrams is hitting .267 with 32 doubles, five triples, 17 home runs and 34 walks. He's slugging .449 with an on-base percentage of .329.
• Including all qualifying players in the majors, he is 49th in batting average, 75th in on-base percentage and 57th in slugging percentage.
• Abrams heads into this game on a five-game hitting streak. During his last five outings he is batting .300 with four doubles.
• James Wood has collected 138 hits with a .355 OBP while slugging .471. Those stats all pace his team. He also has a batting average of .258.
• Including all qualified hitters, he ranks 80th in batting average, 30th in on-base percentage and 40th in slugging percentage.
• Luis Garcia has 27 doubles, a triple, 13 home runs and 26 walks while batting .263.
• Josh Bell has 13 doubles, a triple, 19 home runs and 54 walks while batting .232.

Marlins vs Nationals Head to Head

• 9/8/2025: 15-7 WSH (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 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)

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