Mets vs Nationals Prediction, Odds, Moneyline, Spread & Over/Under for May 20

Odds updated as of 6:12 p.m.

MLB action on Wednesday includes the New York Mets taking on the Washington Nationals.

We've got you covered, in terms of the most important information about this game before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

Mets vs Nationals Game Info

• New York Mets (21-27) vs. Washington Nationals (24-25)
• Date: Wednesday, May 20, 2026
• Time: 6:45 p.m. ET
• Venue: Nationals Park -- Washington, District of Columbia
• Coverage: Nationals.TV and SNY

Mets vs Nationals Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: NYM: (-126) | WSH: (+108)
• Spread: NYM: -1.5 (+122) | WSH: +1.5 (-146)
• Total: 9.5 -- Over: (-102) | Under: (-120)

Mets vs Nationals Probable Starting Pitchers

Probable Pitchers: Zach Thornton (Mets) - 0-0, 0.00 ERA vs Zack Littell (Nationals) - 2-4, 6.10 ERA

This contest's pitching matchup is set, as the Mets will send Zach Thornton to the mound, while Zack Littell (2-4) will take the ball for the Nationals. Thornton did not appear in a game when his team was the moneyline favorite last season. The Nationals have gone 3-3-0 against the spread when Littell starts. The Nationals have a 3-3 record in Littell's six starts this season when they were the moneyline underdog.

Mets vs Nationals Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mets win (54.1%)

Mets vs Nationals Moneyline

• The moneyline numbers for Mets vs. Nationals reveal New York as the favorite (-126) and Washington as the underdog (+108) despite being the home team.

Mets vs Nationals Spread

• The Mets are at the Nationals and are favored by 1.5 runs (+122 to cover) on the runline. Washington is -146 to cover.

Mets vs Nationals Over/Under

• A total of 9.5 runs has been set for the Mets-Nationals contest on May 20, with the over available at -102 and the under at -120.

Bet on New York Mets vs. Washington Nationals on FanDuel today!

Mets vs Nationals Betting Trends

• The Mets have been favorites in 36 games this season and have come away with the win 18 times (50%) in those contests.
• This season New York has been victorious 13 times in 30 chances when named as a favorite of at least -126 on the moneyline.
• Contests with the Mets have gone over the total set by sportsbooks in 20 of 48 chances this season.
• The Mets have an against the spread mark of 20-28-0 in 48 games with a line this season.
• The Nationals have won 47.8% of the games this season they were the underdog on the moneyline (22-24).
• In games it has played as a moneyline underdog with odds of +108 or longer, Washington has a 19-18 record (winning 51.4% of its games).
• The Nationals have had an over/under set by bookmakers 49 times, and have combined with opponents to go over the total in 31 of those games (31-15-3).
• The Nationals are 28-21-0 ATS this season.

Mets Player Leaders

• Juan Soto is hitting .293 with four doubles, a triple, seven home runs and 20 walks. He has an on-base percentage of .389 while slugging .512.
• Soto has recorded at least one hit in six games in a row. During his last 10 outings he is hitting .316 with three home runs, seven walks and seven RBIs.
• Bo Bichette leads New York in slugging percentage (.332) thanks to 11 extra-base hits. He's batting .224 with an on-base percentage of .277.
• Among qualified hitters, his batting average ranks him 134th, his on-base percentage 153rd, and his slugging percentage 148th.
• Bichette has picked up a hit in three games in a row. During his last five outings he is hitting .273 with a double, three home runs, two walks and seven RBIs.
• Carson Benge has 41 hits this season and a team-best OBP of .321.
• Benge has recorded a hit in four games in a row. In his last five games he is hitting .417 with two doubles, a walk and four RBIs.
• Mark Vientos leads New York with 34 hits, batting .239 this season with 13 extra-base hits.

Nationals Player Leaders

• James Wood has racked up an on-base percentage of .399 and has 49 hits, both team-best numbers for the Nationals. He's batting .259 and slugging .534.
• Including all qualified hitters, he ranks 74th in batting average, while his on-base percentage is seventh and he is 15th in slugging.
• Wood heads into this game on a five-game hitting streak. In his last five games he is batting .455 with two doubles, a home run, three walks and five RBIs.
• C.J. Abrams is slugging .523 to pace his team. He has a batting average of .295 with an on-base percentage of .386.
• Including all qualified hitters, he is 18th in batting average, 20th in on-base percentage and 18th in slugging percentage.
• Daylen Lile has 12 doubles, seven home runs and 17 walks while hitting .263.
• Luis Garcia has nine doubles, two triples, three home runs and six walks while hitting .259.

Mets vs Nationals Head to Head

• 5/19/2026: 9-6 WSH (Favorite: Mets, Spread: -1.5, Total: 9, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 5/18/2026: 16-7 NYM (Favorite: Mets, Spread: -1.5, Total: 10, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 4/30/2026: 5-4 WSH (Favorite: Mets, Spread: -1.5, Total: 7.5, Favorite Moneyline: -190, Underdog Moneyline: +160)
• 4/29/2026: 14-2 WSH (Favorite: Mets, Spread: -1.5, Total: 7.5, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 4/28/2026: 8-0 NYM (Favorite: Mets, Spread: -1.5, Total: 8, Favorite Moneyline: -188, Underdog Moneyline: +158)
• 9/21/2025: 3-2 WSH (Favorite: Mets, Spread: -1.5, Total: 8.5, Favorite Moneyline: -290, Underdog Moneyline: +235)
• 9/20/2025: 5-3 WSH (Favorite: Mets, Spread: -1.5, Total: 8.5, Favorite Moneyline: -290, Underdog Moneyline: +235)
• 9/19/2025: 12-6 NYM (Favorite: Mets, Spread: -1.5, Total: 9, Favorite Moneyline: -245, Underdog Moneyline: +200)
• 8/21/2025: 9-3 WSH (Favorite: Mets, Spread: -1.5, Total: 8, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 8/20/2025: 5-4 WSH (Favorite: Mets, Spread: -1.5, Total: 9, Favorite Moneyline: -172, Underdog Moneyline: +144)

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