MLB New York Mets vs Washington Nationals Odds, Tips and Predictions 08-19-25

Here’s your detailed betting preview for today’s Mets vs. Nationals game, with a sharp focus on the pitching matchup — David Peterson (Mets) vs. Jake Irvin (Nationals) — and betting angles worth considering for Tuesday, August 19, 2025.

New York Mets vs Washington Nationals

• Run Line: Mets -1.5
• Moneyline Mets -204
• Moneyline Nationals +168
• Over/Under 9

These odds were updated at 9 am EST on 08/19/25, coming from DraftKings. Check out the top online MLB betting sites the only way to be great at sports betting is to have multiple accounts with at least three sportsbooks to get the best odds for every game.

Team Betting Trends

• When favored, the Mets have a 51–35 record and are 16–5 (76.2%) when at –204 or shorter.

• Nationals have gone 5–15 when underdogs at +168+.

• Mets games have gone over the total 56 times in 124 games; Nationals combined with opponents have gone over 63 times in 123 games. B

Starting Pitchers at a Glance

David Peterson (Mets)

• Record: 7–5

• ERA: 3.30

• Strikeouts: 117 over 136⅓ innings

• Career vs. Nationals (per Statcast):

  • 83 plate appearances, 18.1% K%, 6.0% BB%, .263 AVG, .290 wOBA

  • Exit Velo: ~88.8 mph, xBA .232, xSLG .300, xwOBA .270

Jake Irvin (Nationals)

• Record: 8–7

• ERA: 5.14

• Strikeouts: 94

• Career vs. Mets:

  • 126 PA, 21.4% K%, 5.6% BB%, .198 AVG, .262 wOBA

  • Exit Velo: ~89.5 mph, xBA .254, xSLG .439, xwOBA .324

New York Mets vs Washington Nationals, Money Line

The Mets are the better team, they have more to play for and they have a large advantage in starting pitching in tonight’s game.

DraftKings

4.6/5

Tip: Bet Mets ML

• Patterson to Pitch well
• Bullpen will be the difference
• Game at Washington

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Analysis & Betting Insights

Why the Mets Stand Out

David Peterson brings strong consistency and a sub-3.50 ERA — high-quality production by any metric. His numbers versus the Nationals show solid strikeout and control metrics. His advanced metrics (xwOBA .270) suggest he’s been somewhat unlucky, reinforcing his capability to outduel Irvin. Meanwhile, as a team, the Mets have dominated when favored at this price range.

Nationals’ Long Odds

Jake Irvin’s elevated 5.14 ERA and team’s overall mediocre run production (around 4.3–4.5 runs per game) set a steep hill to climb. However, his career numbers against the Mets suggest he can limit hits — though his high xwOBA against (.324) hints at vulnerability to hard contact.

New York Mets vs Washington Nationals Over/Under Analysis 9

This should be a higher scoring game especially with two starting Pitchers that will give up some runs.

DraftKings

4.6/5

Tip: Bet the Over 8.5

• Average Starting Pitching Matchup
• Game at Washington
• Bullpen will be key

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Final Take

Bet  Mets ML