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Nationals vs Marlins Prediction 8/31/26 MLB Picks Today

Miami Marlins (69-68) vs. Washington Nationals (65-74)
August 31, 2026 6:45 pm EDT
The Line: Washington Nationals 102 / Miami Marlins -123; Over/Under: 9
(Get latest betting odds)

In this article we will formulate a Nationals vs Marlins prediction for this MLB game on Monday, August 31st at Nationals Park in Washington, DC. Let’s take a look at the prediction for this MLB matchup. 

Washington Nationals Betting Preview

The Washington Nationals are 65-74 this year after they won two of the first three against the Marlins by scores of 9-2, 5-4, and 2-6. In game three, Washington led 2-0 in the ninth inning, but they allowed six runs in the top of the ninth for the loss. The Nationals recorded six hits and they committed two errors in the game, while they were led by Nunez, who went 1-3 with one RBI. Alvarez allowed two hits and zero earned runs over 6.0 innings, while Kranick picked up the loss. Prior to this series, Washington split four games with the Rockies and lost all three against the Marlins. 

This season, Washington has a 4.67 ERA with a 1.39 WHIP and a .255 opponent batting average, while they have scored 720 runs with a .248 batting average and a .324 on base percentage. CJ Abrams has led the Nationals with 29 home runs and 92 RBIs, while James Wood has added 30 home runs and 73 RBIs. The projected starting pitcher for Washington is Will Dion, who is 1-1 with a 3.67 ERA and a 1.14 WHIP over 34.1 innings pitched this year. 

Miami Marlins Betting Preview

The Miami Marlins are 69-68 this season after they won game three by a score of 6-2 on Sunday. Miami did nothing at the plate in the first eight innings, but they scored six times in the ninth for the win. The Marlins recorded four hits and they committed two errors in the game, while they were led by Lopez, who went 1-5 with one home run and two RBIs. Junk allowed four hits and one earned run over 4.2 innings, while Fulton got the win in relief. Prior to this series, Miami lost two out of three against the Red Sox, but did sweep the Nationals in three games before that. 

This season, Miami has a 3.90 ERA with a 1.25 WHIP and a .230 opponent batting average, while they have scored 594 runs with a .247 batting average and a .326 on base percentage. Otto Lopez has led the Marlins with 10 home runs and 61 RBIs, while Owen Caissie has added 13 home runs and 52 RBIs. The projected starting pitcher for Miami is Ryan Gusto, who is 1-3 with a 3.98 ERA and a 1.33 WHIP over 63.1 innings pitched this season. 

Why the Washington Nationals will win

  • The underdogs have won each of the Marlins’ last four games.
  • The Marlins have lost eight of their last nine road games against NL East opponents.
  • The Marlins have failed to cover the run line in seven of their last eight night games against NL East opponents.
  • The underdogs have covered the run line in each of the Marlins’ last four games.
  • The Nationals have won the first inning in each of their last six Monday games against opponents that held a winning record.
  • The Marlins have trailed after 5 innings in each of their last six games at Nationals Park against opponents that held a losing record.
  • The Nationals have led after 3 innings in each of their last seven home games against NL East opponents that held a winning record.

Why the Miami Marlins will win

  • The Marlins have won each of their last 12 games as road favorites against the Nationals following a road win.
  • The Nationals have lost each of their last seven games against the Marlins following a loss.
  • The Nationals have failed to cover the run line in each of their last 10 Monday night games as home underdogs against NL East opponents.
  • The Marlins have covered the run line in each of their last seven games as road favorites against NL East opponents following a road win.
  • The Nationals have trailed after 5 innings in three of their last four night games against NL East opponents that held a winning record.
  • The Nationals have trailed after 3 innings in three of their last four night games against NL East opponents that held a winning record.

Total Runs Facts

  • Five of the Nationals’ last six games as home underdogs have gone OVER the total runs line.
  • Three of the Marlins’ last four night games after playing the previous day have gone UNDER the total runs line.
  • There has been no run scored during the first inning in each of the Nationals’ last seven night games.
  • There has been no run scored during the first inning in 13 of the Marlins’ last 14 night games against NL opponents.

Washington Nationals Player Prop Facts

  • Brady House has hit a home run in two of his three previous appearances with the Nationals as home underdogs against the Marlins.
  • Brady House has recorded at least one hit in each of his last nine appearances with the Nationals as home underdogs against NL opponents.

Miami Marlins Player Prop Facts

  • Ryan Gusto has recorded four or more strikeouts in six of his last eight appearances in night games against teams that held a losing record.
  • Heriberto Hernandez has hit a home run in each of the Marlins’ last three games as road favorites.
  • Otto Lopez has recorded at least one hit in each of the Marlins’ last nine games as road favorites against NL East opponents.

Matchup/League Facts

  • The Nationals rank T1st in the league for runs scored this season (720).
  • The Nationals rank 1st in the league for home runs this season (190).
  • The Marlins rank T2nd in the league for triples this season (28).
  • The Marlins rank 2nd in the league for steals this season (146).

Nationals vs Marlins Prediction 

Miami comes into this matchup looking for the series split and they have the momentum after Sunday’s crazy win. The Marlins are 27-41 on the road this year, while the Nationals are 31-39 at home. Washington has won three of their last four games and they have scored 5+ runs in all three of those wins. The Nationals are starting Dion, who allowed four earned runs over 2.2 innings last time out, while Gusto has allowed two earned runs or fewer in five straight starts. Take the Marlins here. 

David Racey's Free Pick: Marlins ML

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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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