Nationals vs Marlins Prediction 9/9/25 MLB Picks Today

In this article, we will formulate a Nationals vs Marlins Prediction for this MLB game on Tuesday, September 9^th at the loanDepot park in the second game of this series, with the Nationals having the 1-0 lead. Let’s take a look at the prediction for this MLB matchup.

Miami Marlins Preview

The Miami Marlins have a 66-78 record this season and are sitting on the third place of the NL East. The Marlins have a 32-40 home record and are 71-68 in over/under. They are coming off a 7-15 home defeat by the Nationals, and are 1-6 in their last 7 games. Over is 3-1-1 in their last 5 games and are playing the Tigers and the Rockies next.

The Marlins have a .250 batting average this season, .314 OBP and .393 slugging percentage. Miami’s pitching staff has a 4.79 ERA and 1.32 WHIP.  Xavier Edwards leads the Marlins with 143 hits, while Kyle Stowers is the team’s best hitter with a .288 batting average. He also adds team-highs in RBI with 73, and in home runs with 25.

Adam Mazur (R) is the projected starting pitcher for the Marlins, and he has a 0-2 record, 5.74 ERA and 1.53 WHIP.

Washington Nationals Preview

The Washington Nationals have a 59-84 record this season and are sitting on the last place of the NL East. The Nationals have a 30-42 road record and are 72-62 in over/under. They are coming off 15-7 road victory over the Marlins, and are 6-1 in their last 7 games. Over is 4-1 in their last 5 games and are playing the Pirates and the Braves next.

The Nationals have a .245 batting average this season, .309 OBP and .391 Slugging percentage. Washington’s pitching staff has a 5.30 ERA and 1.43 WHIP. James Wood leads the Nationals with 138 hits, while CJ Abrams is the team’s best hitter with a .267 batting average. James Wood adds a team-high 87 RBI and leads the team in home runs, with 27.

Mitchell Parker (L) is the projected starting pitcher for the Nationals, and he has a 7-15 record, 5.87 ERA and 1.48 WHIP.

Washington Nationals @ Miami Marlins Betting Trends: September 9, 2025

• Probable Starting Pitcher: Adam Mazur      Record this season: 0-2      ERA: 5.74
• Home Record: 0-1
• Last 5 against Nationals: 1-1

Why the Miami Marlins will win

• The Nationals have lost each of their last nine Tuesday road games.
• The Marlins have won five of their last six night games against the Nationals following a home loss.
• The Marlins have covered the run line in each of their last four night games against NL East opponents following a home loss.
• The Nationals have trailed after 5 innings in 14 of their last 17 games as road underdogs against NL East opponents.
• The Nationals have trailed after 3 innings in nine of their last 12 games as underdogs.

• Probable Starting Pitcher: Mitchell Parker      Record this season: 7-15      ERA: 5.87
• Road Record: 2-7
• Last 5 against Marlins: 1-1

Why the Washington Nationals will win

• The Marlins have lost seven of their last eight games as home favorites against NL East opponents.
• The Nationals have won each of their last four games as underdogs after playing the previous day.
• The Marlins have failed to cover the run line in each of their last 15 games as home favorites against NL East opponents.
• The Nationals have covered the run line in each of their last 10 games as road underdogs against the Marlins.
• The Marlins have trailed after 3 innings in four of their last five games against opponents that held a losing record.
• The Marlins have trailed after 5 innings in each of their last six games against opponents that held a losing record.

Total Runs Facts

• Seven of the Marlins’ last eight games as favorites against the Nationals have gone OVER the total runs line.
• Each of the Nationals’ last four games as underdogs against the Marlins have gone OVER the total runs line.
• The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the Nationals’ last 15 Tuesday games at LoanDepot Park.
• The ‘Inning 1 UNDER 0.5 runs’ market has hit in each of the last seven games between the Nationals and Marlins at LoanDepot Park.

Miami Marlins Player Prop Facts

• Kyle Stowers has hit at least one home run in four of his last seven home appearances against opponents that held a losing record.
• Kyle Stowers has recorded a Double in each of his last three home appearances against the Nationals.
• Kyle Stowers has recorded two or more hits in each of his last three home appearances against the Nationals.

Washington Nationals Player Prop Facts

• Luis Garcia has hit a home run in four of his last five road appearances against NL opponents.
• CJ Abrams has recorded at least one Double in each of the Nationals’ last three night games.
• Jacob Young has recorded at least one hit in each of his last 11 appearances against the Marlins.

Matchup/League Facts

• The Marlins rank T27th in the league for home runs this season (137).
• The Marlins rank T4th in the league for triples this season (26).
• The Nationals rank 29th in the league for ERA this season (5.30).
• The Nationals rank 29th in the league for opponent batting average this season (.266).

Nationals vs Marlins Prediction

The Nationals have won their last four head-to-head meetings against the Marlins, and both teams are tied 2-2 wins in their last 4 meetings in Miami. Under is 4-2 in their last 6 meetings.

In this Nationals vs Marlins Prediction, the Marlins are coming as -125 home favorites. I don’t trust either pitcher in this matchup, as they have a combined 11.22 ERA. They are both coming into this matchup in terrible form, as Mazur has 4 earned runs in two of his three starts this season for the Marlins, while Parker has a 1-4 record and an 8.22 ERA across his last 5 starts. the Nationals have the worst bullpen ERA in baseball, and yesterday’s game had a whopping 22 total runs. Take the over 8.5 runs in this one.