Marlins vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 23

Odds updated as of 9:12 p.m.

In MLB action on Sunday, the Miami Marlins take on the Washington Nationals.

Here's everything you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

Marlins vs Nationals Game Info

• Miami Marlins (66-64) vs. Washington Nationals (61-70)
• Date: Sunday, August 23, 2026
• Time: 1:40 p.m. ET
• Venue: loanDepot park -- Miami, Florida
• Coverage: Marlins.TV and Nationals.TV

Marlins vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: MIA: (-162) | WSH: (+136)
• Spread: MIA: -1.5 (+128) | WSH: +1.5 (-154)
• Total: 8 -- Over: (-118) | Under: (-104)

Marlins vs Nationals Probable Starting Pitchers

Probable Pitchers: Janson Junk (Marlins) - 6-8, 4.37 ERA vs Jackson Kent (Nationals) - 0-1, 9.39 ERA

The probable pitchers are Janson Junk (6-8) for the Marlins and Jackson Kent (0-1) for the Nationals. Junk and his team have a record of 9-9-0 against the spread when he starts. Junk's team has won 57.1% of his starts when they are favored on the moneyline (4-3). Kent has started two games with set spreads, and the Nationals failed to cover in both chances. The Nationals were named the moneyline underdog for two Kent starts this season -- they lost both.

Marlins vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (57.5%)

Marlins vs Nationals Moneyline

• Miami is the favorite, -162 on the moneyline, while Washington is a +136 underdog on the road.

Marlins vs Nationals Spread

• The Nationals are at the Marlins, and are +1.5 on the runline. The Nationals are +128 to cover the spread, and the Marlins are -154.

Marlins vs Nationals Over/Under

• A total of 8 runs has been set for the Marlins-Nationals game on Aug. 23, with the over available at -118 and the under at -104.

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

Marlins vs Nationals Betting Trends

• The Marlins have come away with 37 wins in the 56 contests they have been listed as the favorites in this season.
• Miami has not lost in six games when named as a moneyline favorite of -162 or better.
• Contests with the Marlins have gone over the total set by bookmakers in 62 of 128 chances this season.
• The Marlins are 66-62-0 against the spread in their 128 games with a line set by sportsbooks this season.
• The Nationals have put together a 44-57 record in games they were the underdog on the moneyline (winning 43.6% of those games).
• When playing as a moneyline underdog with odds of +136 or longer, Washington has gone 13-25 (34.2%).
• The Nationals have had an over/under set by bookmakers 127 times, and have combined with opponents to go over the total in 65 of those games (65-57-5).
• The Nationals are 71-56-0 against the spread this season.

Marlins Player Leaders

• Otto Lopez has 155 hits to go with a slugging percentage of .446, both of which rank first among Miami hitters this season. He has a .307 batting average and an on-base percentage of .342.
• Among qualifying hitters in MLB, he is sixth in batting average, 56th in on-base percentage, and 46th in slugging.
• Lopez has recorded a base hit in three games in a row. In his last five games he is hitting .278 with three walks and four RBIs.
• Xavier Edwards leads Miami with an OBP of .365 this season while batting .285 with 63 walks and 59 runs scored. He's slugging .383.
• His batting average ranks 19th among qualified players, his on-base percentage 21st, and his slugging percentage 111th.
• Javier Sanoja has 93 hits this season and has a slash line of .279/.317/.423.
• Jakob Marsee has eight home runs, 30 RBI and a batting average of .209 this season.
• Marsee has hit safely in two straight games. During his last five outings he is hitting .200 with a triple, a home run, four walks and an RBI.

Nationals Player Leaders

• CJ Abrams has a team-high .530 slugging percentage. He's batting .279 with an on-base percentage of .354.
• Including all the qualifying hitters in the big leagues, he is 26th in batting average, 42nd in on-base percentage and 10th in slugging percentage.
• Daylen Lile has 23 doubles, five triples, 15 home runs and 29 walks while batting .242. He's slugging .400 with an on-base percentage of .290.
• He ranks 95th in batting average, 128th in on-base percentage and 95th in slugging percentage in the majors.
• Jacob Young is batting .246 with 16 doubles, three triples, 10 home runs and 27 walks.
• Keibert Ruiz is batting .279 with 21 doubles, eight home runs and 14 walks.

Marlins vs Nationals Head to Head

• 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)
• 5/8/2026: 3-2 WSH (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 9/11/2025: 5-0 MIA (Favorite: Marlins, Spread: -1.5, Total: 8, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 9/10/2025: 8-3 MIA (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -156, Underdog Moneyline: +132)

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