Marlins vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 30

Odds updated as of 12:13 a.m.

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

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important info regarding this matchup.

Marlins vs Nationals Game Info

• Miami Marlins (68-68) vs. Washington Nationals (65-73)
• Date: Sunday, August 30, 2026
• Time: 12:15 p.m. ET
• Venue: Nationals Park -- Washington, District of Columbia
• Coverage: NBCSN and Peacock

Marlins vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: MIA: (-116) | WSH: (-102)
• Spread: MIA: -1.5 (+150) | WSH: +1.5 (-182)
• Total: 8.5 -- Over: (-124) | Under: (+102)

Marlins vs Nationals Probable Starting Pitchers

Probable Pitchers: Janson Junk (Marlins) - 6-8, 4.21 ERA vs Andrew Alvarez (Nationals) - 2-6, 3.72 ERA

The probable starters are Janson Junk (6-8) for the Marlins and Andrew Alvarez (2-6) for the Nationals. Junk and his team are 10-9-0 ATS this season when he starts. Junk's team has a record of 5-3 this season when he starts and they are the favorite on the moneyline. The Nationals have a 5-7-0 record against the spread in Alvarez's starts. The Nationals have a 2-5 record in Alvarez's seven starts this season when they were the moneyline underdog.

Marlins vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Nationals win (50.8%)

Marlins vs Nationals Moneyline

• The Marlins vs Nationals moneyline has Miami as a -116 favorite, while Washington is a -102 underdog at home.

Marlins vs Nationals Spread

• The Marlins are 1.5-run road favorites on the runline against the Nationals. The Marlins are +150 to cover, and the Nationals are -182.

Marlins vs Nationals Over/Under

• The over/under for the Marlins versus Nationals game on Aug. 30 has been set at 8.5, with -124 odds on the over and +102 odds on the under.

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Marlins vs Nationals Betting Trends

• The Marlins have been favorites in 59 games this season and have come away with the win 38 times (64.4%) in those contests.
• Miami has a record of 31-17 when favored by -116 or more this year.
• Contests with the Marlins have gone over the total set by sportsbooks in 65 of 134 chances this season.
• In 134 games with a line this season, the Marlins have a mark of 68-66-0 against the spread.
• The Nationals have been the underdog on the moneyline 104 total times this season. They've gone 46-58 in those games.
• When playing as a moneyline underdog with odds of -102 or longer, Washington has gone 42-54 (43.8%).
• The Nationals have combined with opponents to go over the total 69 times this season for a 69-60-5 record against the over/under.
• The Nationals have covered 56% of their games this season, going 75-59-0 ATS.

Marlins Player Leaders

• Otto Lopez has 162 hits to go with a slugging percentage of .440, both of which are tops among Miami hitters this season. He has a .306 batting average and an on-base percentage of .341.
• Among qualifying hitters in the majors, his batting average ranks fifth, his on-base percentage ranks 55th, and he is 51st in slugging.
• Lopez has hit safely in five straight games. In his last five games he is hitting .318 with a double and an RBI.
• Xavier Edwards leads Miami in OBP (.360) this season, fueled by 141 hits. He's batting .283 while slugging .377.
• He ranks 22nd in batting average, 32nd in on-base percentage and 110th in slugging in the major leagues.
• Javier Sanoja has collected 100 base hits, an OBP of .322 and a slugging percentage of .421 this season.
• Sanoja enters this matchup with four games in a row with at least one hit. In his last five games he is hitting .316 with a double, three walks and an RBI.
• Jakob Marsee is batting .209 with a .328 OBP and 30 RBI for Miami this season.

Nationals Player Leaders

• C.J. Abrams has accumulated a team-high .510 slugging percentage. He's batting .269 with an on-base percentage of .346.
• Including all qualified players in MLB, his batting average puts him 47th, his on-base percentage is 47th, and he is 12th in slugging.
• Daylen Lile has 26 doubles, six triples, 18 home runs and 35 walks while hitting .252. He's slugging .429 with an on-base percentage of .304.
• His batting average is 75th among all qualified players, his on-base percentage ranks 110th, and he is 60th in slugging.
• Jacob Young has 19 doubles, three triples, 10 home runs and 29 walks while batting .247.
• Keibert Ruiz is hitting .280 with 22 doubles, nine home runs and 16 walks.

Marlins vs Nationals Head to Head

• 8/29/2026: 5-4 WSH (Favorite: Marlins, Spread: -1.5, Total: 8, Favorite Moneyline: -108, Underdog Moneyline: +100)
• 8/28/2026: 9-2 WSH (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -134, Underdog Moneyline: +124)
• 8/23/2026: 6-2 MIA (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -158, Underdog Moneyline: +146)
• 8/22/2026: 4-2 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -180, Underdog Moneyline: +166)
• 8/21/2026: 3-2 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -146, Underdog Moneyline: +136)
• 6/3/2026: 4-1 MIA (Favorite: Nationals, Spread: -1.5, Total: 8, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 6/2/2026: 7-3 MIA (Favorite: Nationals, Spread: -1.5, Total: 9, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 6/1/2026: 7-3 MIA (Favorite: Nationals, Spread: -1.5, Total: 8.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 5/10/2026: 5-2 MIA (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 5/9/2026: 8-7 MIA (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -164, Underdog Moneyline: +138)

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