New York Mets vs. Washington Nationals Preview: Series Decider, Pitching Matchup, and Key Players for September 21, 2025

Sunday, September 21st, 2025

Washington Nationals vs. New York Mets: Game Preview

The Washington Nationals travel to Citi Field to take on the New York Mets in a pivotal National League East matchup. With the Mets (80-75) holding second place in the NL East and the Nationals (63-92) sitting at fifth, both teams are looking to finish their seasons on a strong note. Sunday's winner will claim the three-game series, making this contest crucial for both squads.

Pitching Matchup

The Nationals are set to start Jake Irvin (8-13, 5.76 ERA, 1.44 WHIP, 113 strikeouts) on the mound. Sean Manaea, making his start for the Mets, will look to hold off the Nationals’ lineup. The Mets are favored at -267, with the Nationals listed at +215. The over/under for the game is set at 8.5 runs, suggesting oddsmakers anticipate a potentially high-scoring affair.

Weather

At Citi Field today, expect pleasant baseball weather with partly cloudy skies and a high around 73°F. There’s no significant chance of precipitation, so conditions should stay dry throughout the game. Light winds out of the northwest at 7–10 mph may have a modest impact on fly balls, but overall it’s a great day for baseball.

Team Performance and Season Series

The Mets have been strong at home this season, with a 49-31 record at Citi Field and a .429 team slugging percentage, ranking fourth in the National League. The Nationals have struggled on the road, posting a 32-45 away record. The Mets currently lead the season series 7-5, and this marks the 13th meeting between the teams this year.

Key Players to Watch

For the Mets, Juan Soto has been a powerhouse, tallying 19 doubles, a triple, and 42 home runs this season. Pete Alonso has been hot at the plate recently, going 12-for-37 with a double and four home runs over the last 10 games. Meanwhile, the Nationals will look to C.J. Abrams (34 doubles, five triples, 18 home runs, .261 batting average) and Daylen Lile, who has collected 11 hits, including two triples and two home runs, in his last 36 at-bats.

Recent Trends

Over their last 10 games, the Mets are 4-6 with a .254 team batting average and a 4.65 ERA, but have been outscored by two runs. The Nationals, meanwhile, have gone 3-7 with a .205 batting average and a 5.93 ERA, getting outscored by 32 runs during that span.

Injuries

The Mets have been hit hard by injuries, with several key players—including Reed Garrett (elbow), Tyrone Taylor (hamstring), Frankie Montas (elbow), Jesse Winker (back), Max Kranick (elbow), and others—on various injured list stints. The Nationals are also missing contributors such as Cole Henry (back), Drew Millas (finger), Trevor Williams (elbow), Keibert Ruiz (concussion), Derek Law (forearm), DJ Herz (elbow), and Josiah Gray (elbow).

In summary

The New York Mets look to secure the season series against the Washington Nationals in Sunday’s matchup at Citi Field. With Jake Irvin and Sean Manaea on the mound, the Mets hold the advantage, especially at home and with their potent offense. Fans can expect comfortable, dry weather—perfect conditions to enjoy a late-season baseball showdown between division rivals.

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