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

Odds updated as of 6:11 p.m.

The MLB slate on Tuesday includes the New York Mets facing the Boston Red Sox.

Before you do any MLB betting on this matchup at FanDuel Sportsbook, here's everything you need to know.

Mets vs Red Sox Game Info

• New York Mets (29-19) vs. Boston Red Sox (24-25)
• Date: Tuesday, May 20, 2025
• Time: 6:45 p.m. ET
• Venue: Fenway Park -- Boston, Massachusetts
• Coverage: TBS, NESN, and SNY

Mets vs Red Sox Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: NYM: (-142) | BOS: (+120)
• Spread: NYM: -1.5 (+115) | BOS: +1.5 (-138)
• Total: 8.5 -- Over: (-112) | Under: (-108)

Mets vs Red Sox Probable Starting Pitchers

Probable Pitchers: Clay Holmes (Mets) - 5-2, 3.14 ERA vs Walker Buehler (Red Sox) - 4-1, 4.28 ERA

The probable starters are Clay Holmes (5-2) for the Mets and Walker Buehler (4-1) for the Red Sox. Holmes' team is 5-3-0 against the spread in his starts this season. Holmes' team has been victorious in 83.3% of the games he's started as the moneyline favorite with a record of 5-1. The Red Sox have a 4-2-0 record against the spread in Buehler's starts. The Red Sox were the moneyline underdog for two Buehler starts this season -- they split the games.

Mets vs Red Sox Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Mets win (65.8%)

Mets vs Red Sox Moneyline

• New York is the favorite, -142 on the moneyline, while Boston is a +120 underdog despite being at home.

Mets vs Red Sox Spread

• The Red Sox are +1.5 on the run line against the Mets. The Red Sox are -138 to cover, and the Mets are +115.

Mets vs Red Sox Over/Under

• A combined run total of 8.5 has been set for Mets-Red Sox on May 20, with the over at -112 and the under at -108.

Bet on New York Mets vs. Boston Red Sox on FanDuel today!

Mets vs Red Sox Betting Trends

• The Mets have been favorites in 33 games this season and have come away with the win 22 times (66.7%) in those contests.
• New York has a record of 14-8 in contests when bookmakers favor them by -142 or more on the moneyline.
• The Mets and their opponents have gone over the total this season in 17 of their 47 opportunities.
• The Mets have posted a record of 22-25-0 against the spread this season.
• The Red Sox have been the underdog on the moneyline 14 total times this season. They've finished 6-8 in those games.
• Boston has played three times as a moneyline underdog with odds of +120 or longer, and lost each game.
• The Red Sox have played in 49 games with an over/under set, and have combined with opponents to go over the total 24 times (24-23-2).
• The Red Sox have a 25-24-0 record ATS this season (covering 51% of the time).

Mets Player Leaders

• Pete Alonso leads New York in OBP (.408), slugging percentage (.557) and total hits (53) this season. He has a .301 batting average.
• Among qualifying hitters in baseball, his batting average ranks 21st, his on-base percentage ranks fifth, and he is 12th in slugging.
• Juan Soto is hitting .246 with nine doubles, eight home runs and 37 walks, while slugging .439 with an on-base percentage of .376.
• Among qualifying batters, he is 96th in batting average, 23rd in on-base percentage and 68th in slugging percentage.
• Francisco Lindor has an OPS of .810, fueled by an OBP of .347 and a team-best slugging percentage of .463 this season.
• Brandon Nimmo is batting .220 with a .283 OBP and 27 RBI for New York this season.

Red Sox Player Leaders

• Alex Bregman has accumulated a slugging percentage of .569 and has 57 hits, both team-best figures for the Red Sox. He's batting .303 and with an on-base percentage of .386.
• He is 15th in batting average, 16th in on-base percentage and seventh in slugging percentage among all qualifying hitters in the majors.
• Rafael Devers has a .405 on-base percentage to lead his team. He has a batting average of .286 while slugging .511.
• He is currently 37th in batting average, seventh in on-base percentage and 20th in slugging percentage among all qualified hitters.
• Wilyer Abreu has eight doubles, 11 home runs and 22 walks while batting .264.
• Jarren Duran is batting .268 with 11 doubles, six triples, three home runs and 12 walks.

Mets vs Red Sox Head to Head

• 5/19/2025: 3-1 BOS (Favorite: Mets, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 9/4/2024: 8-3 NYM (Favorite: Mets, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 9/3/2024: 7-2 NYM (Favorite: Mets, Spread: -1.5, Total: 7.5, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 9/2/2024: 4-1 NYM (Favorite: Mets, Spread: -1.5, Total: 8, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 7/23/2023: 6-1 BOS (Favorite: Red Sox, Spread: -1.5, Total: 10.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 7/22/2023: 8-6 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -122, Underdog Moneyline: +104)

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