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Marlins vs Nationals Prediction 8/23/26 MLB Picks Today

Washington Nationals (61-70) vs. Miami Marlins (66-64)
August 23, 2026 1:40 pm EDT
The Line: Miami Marlins -163 / Washington Nationals 135; Over/Under: 8.5
(Get latest betting odds)

In this article we will formulate a Marlins vs Nationals prediction for this MLB game on Sunday, August 23rd at loanDepot park in Miami, Florida. Let’s take a look at the prediction for this MLB matchup. 

Miami Marlins Betting Preview

The Miami Marlins are 66-64 this season after they won the first two games by scores of 3-2 and 4-2. In game two, Miami scored two runs in the first inning and led the whole way for the win. The Marlins recorded seven hits and they committed one error in the game, while they were led by Lopez, who went 1-4 with two RBIs. Perez allowed three hits and one earned run over 5.0 innings for the win, while Faucher got the save. Prior to this series, Miami lost all three against the Phillies, but did win two out of three against the Reds before that. 

This season, Miami has a 3.92 ERA with a 1.25 WHIP and a .232 opponent batting average, while they have scored 567 runs with a .249 batting average and a .326 on base percentage. Otto Lopez has led the Marlins with nine home runs and 57 RBIs, while Owen Caissie has added 13 home runs and 52 RBIs. The projected starting pitcher for Miami is Janson Junk, who is 6-8 with a 4.37 ERA and a 1.36 WHIP over 92.2 innings pitched this season. 

Washington Nationals Betting Preview

The Washington Nationals are 61-70 this year after they lost game two by a score of 2-4 on Saturday. Washington cut the deficit to 4-2 in the fifth inning, but couldn’t get any closer in the loss. The Nationals recorded three hits in the game and they were led by Crews, who went 1-4 with one RBI. Irvin allowed six hits and four earned runs over 6.0 innings for the loss, while Bird threw an inning in relief. Prior to this series, Washington lost two out of three against the Rangers and all three against the Mets. 

This season, Washington has a 4.67 ERA with a 1.39 WHIP and a .257 opponent batting average, while they have scored 680 runs with a .248 batting average and a .324 on base percentage. CJ Abrams has led the Nationals with 29 home runs and 91 RBIs, while James Wood has added 30 home runs and 73 RBIs. The projected starting pitcher for Washington is Jackson Kent, who is 0-1 with a 9.39 ERA and a 2.48 WHIP over 7.2 innings pitched this year. 

Why the Miami Marlins will win

  • The Marlins have won each of their last eight home games against NL East opponents.
  • The Nationals have lost 15 of their last 16 games against NL East opponents.
  • The Marlins have covered the run line in 17 of their last 18 day games following a win.
  • The Nationals have failed to cover the run line in seven of their last eight road games against teams that held a winning record.
  • The Nationals have lost the first inning in three of their last four road games against opponents that held a winning record.
  • The Nationals have trailed after 3 innings in seven of their last eight road games against opponents that held a winning record.
  • The Nationals have trailed after 5 innings in seven of their last eight road games against opponents that held a winning record.

Why the Washington Nationals will win

  • The Marlins have lost six of their last eight games against NL East opponents.
  • The Nationals have covered the run line in five of their last six games against National League opponents following a road loss.
  • The Marlins have failed to cover the run line in six of their last eight games against NL East opponents.

Total Runs Facts

  • Each of the Marlins’ last eight games as favorites against NL East opponents have gone UNDER the total runs line.
  • Each of the Nationals’ last six games have gone UNDER the total runs line.
  • There has been no run scored during the first inning in each of Janson Junk’s last seven appearances as a starter.
  • There has been no run scored during the first inning in each of the Nationals’ last six Sunday games against NL East opponents.

Miami Marlins Player Prop Facts

  • Heriberto Hernandez has hit a home run in three of the Marlins’ last four games as favorites.
  • Janson Junk has recorded four or more strikeouts in each of his four previous appearances in day games against NL teams that held a losing record.
  • Jakob Marsee has recorded at least one hit in each of the Marlins’ last six games as home favorites.
  • Otto Lopez ranks 2nd in the league in Hits (155) this season.

Washington Nationals Player Prop Facts

  • Abimelec Ortiz has hit a home run in three of the Nationals’ last five day games.
  • Jacob Young has recorded two hits in four of his last five appearances against opponents that held a winning record.
  • Nasim Nunez ranks 1st in the league in Steals (42) this season.

Matchup/League Facts

  • The Marlins rank 2nd in the league for triples this season (28).
  • The Marlins rank 2nd in the league for steals this season (132).
  • The Nationals rank 1st in the league for runs scored this season (680).
  • The Nationals rank 1st in the league for home runs this season (183).

Marlins vs Nationals Prediction 

Miami comes into this matchup looking for the series sweep and they have allowed just two runs in each of the first two games. The Marlins are 40-25 at home this year, while the Nationals are 34-34 on the road. Washington has lost three in a row and they have dropped nine of their last eleven matchups. The Nationals are starting Kent, who has allowed eight earned runs over 7.2 innings, while Junk has allowed two earned runs or fewer in five straight. Take the Marlins -1.5 in this one. 

David Racey's Free Pick: Marlins -1.5

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David Racey

David started writing about sports in 2015, but sports has been his passion for as long as he can remember. David spends most of his free time watching pretty much anything sports related from Baseball to Tennis and everything in between. David likes to analyze statistics and recent results to form an unbiased opinion on whatever game he is breaking down. Follow David on Twitter at @itsyerboi41

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