Washington Nationals vs. Miami Marlins Prediction, Odds, and Key Players: MLB Game Preview 9/9/25

Tuesday, September 9th, 2025

Washington Nationals at Miami Marlins: Game Preview and Key Details

The Washington Nationals (59-84, fifth in the NL East) head to Miami to face the Miami Marlins (66-78, third in the NL East) in game 11 of their season series. First pitch is scheduled for 6:40 p.m. EDT at loanDepot park.

Pitching Matchup

The Nationals will send Mitchell Parker (7-15, 5.87 ERA, 1.48 WHIP, 98 strikeouts) to the mound, while the Marlins counter with Adam Mazur (0-2, 5.74 ERA, 1.53 WHIP, 12 strikeouts). Oddsmakers have the Marlins favored at -128 with the over/under set at 8.5 runs.

Team Performance and Series Breakdown

Both teams have won five games each in their season head-to-head matchup, making this 11th contest pivotal for both clubs. The Marlins enter with a 32-40 home record and rank fifth in the National League with a team batting average of .250. Meanwhile, the Nationals sit at 30-42 on the road and have the 10th-best NL batting average at .245.

Monday’s game saw Miami’s Josh Bell collect four hits, setting the stage for an exciting rematch.

Top Performers to Watch

Miami Marlins

Otto Lopez has powered the Marlins with 18 doubles, 14 home runs, and 70 RBI. Joey Wiemer has contributed strongly over the last 10 games, going 8-for-27 with two doubles, a homer, and six RBI.

Washington Nationals

C.J. Abrams leads Washington with 17 home runs, 34 walks, and 53 RBI, sporting a .267 batting average. Daylen Lile has also impressed recently, hitting 15-for-40 with a double, four triples, one home run, and six RBI in his last 10 games.

Recent Team Form

The Marlins have struggled over their last 10 games, going 3-7 with a .254 batting average and a 7.85 ERA, being outscored by 28 runs. The Nationals, on the other hand, are 6-4 in their last 10, hitting .259 with a 4.15 ERA and outscoring opponents by seven runs.

Injury Report

Miami Marlins

The Marlins are dealing with multiple injuries, with key players like Freddy Tarnok (ankle), Connor Norby (quad strain), Derek Hill (hamstring), Edward Cabrera (elbow), and several others currently on the injured list.

Washington Nationals

The Nationals are also missing several players, including Drew Millas (finger), MacKenzie Gore (shoulder), Trevor Williams (elbow), Keibert Ruiz (concussion), Derek Law (forearm), DJ Herz (elbow), and Josiah Gray (elbow).

Weather

Today at loanDepot park, expect warm conditions with a high near 87°F and mostly sunny skies. There's little chance of precipitation, so rain delays are unlikely. Winds will be light out of the east at around 7 mph, providing a mild breeze that shouldn't significantly affect gameplay. Overall, it’s a great day for baseball in Miami.

In summary

The Washington Nationals and Miami Marlins are set for a crucial NL East battle with both teams looking to break the series tie. With projected starters Mitchell Parker and Adam Mazur on the mound, and key players such as Otto Lopez, Joey Wiemer, C.J. Abrams, and Daylen Lile in strong form, this game carries plenty of excitement. Miami's home-field advantage and stronger team batting average may help offset their recent struggles, while the Nationals' recent uptick gives them momentum. Fans can look forward to a competitive matchup in ideal weather conditions at loanDepot park.

Related Links

• Washington Nationals News & Updates
• Washington Nationals Schedule & Scores
• Miami Marlins News & Updates
• Miami Marlins Schedule & Scores
• MLB News