Mets vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for July 31

Odds updated as of 7:13 p.m.

The New York Mets are among the MLB teams in action on Friday, versus the Miami Marlins.

Before checking out the MLB betting lines on FanDuel Sportsbook, we've got you covered, in terms of the most important info about this matchup.

Mets vs Marlins Game Info

• New York Mets (47-63) vs. Miami Marlins (55-55)
• Date: Friday, July 31, 2026
• Time: 7:10 p.m. ET
• Venue: Citi Field -- Queens, New York
• Coverage: WPIX and Marlins.TV

Mets vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: NYM: (-126) | MIA: (+108)
• Spread: NYM: -1.5 (+176) | MIA: +1.5 (-215)
• Total: 7 -- Over: (-115) | Under: (-105)

Mets vs Marlins Probable Starting Pitchers

Probable Pitchers: Kodai Senga (Mets) - 0-7, 8.85 ERA vs Janson Junk (Marlins) - 4-6, 4.89 ERA

The Mets will give the nod to Kodai Senga (0-7, 8.85 ERA), who is eyeing win No. 1 on the season, and the Marlins will counter with Janson Junk (4-6, 4.89 ERA). When Senga starts, his team is 1-6-0 against the spread this season. Senga and his team have lost each of the four games he's started as the moneyline favorite. The Marlins have a 6-8-0 record against the spread in Junk's starts. The Marlins have been the underdog on the moneyline in seven of Junk's starts this season, and they went 3-4 in those games.

Mets vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (52.2%)

Mets vs Marlins Moneyline

• Looking at the moneyline for Marlins-Mets, Miami is the underdog at +108, and New York is -126 playing at home.

Mets vs Marlins Spread

• The Marlins are at the Mets, and are +1.5 on the runline. The Marlins are +176 to cover the spread, and the Mets are -215.

Mets vs Marlins Over/Under

• A total of 7 runs has been set for the Mets-Marlins contest on July 31, with the over available at -115 and the under at -105.

Bet on New York Mets vs. Miami Marlins on FanDuel today!

Mets vs Marlins Betting Trends

• The Mets have won in 31, or 52.5%, of the 59 contests they have been named as odds-on favorites in this year.
• New York has a record of 22-23 when favored by -126 or more this year.
• Contests with the Mets have gone over the total set by oddsmakers in 46 of 106 chances this season.
• The Mets are 50-56-0 against the spread in their 106 games with a line set by sportsbooks this season.
• The Marlins have won 22 of the 57 games they were the underdog on the moneyline this season (38.6%).
• When it has played as a moneyline underdog with odds of +108 or longer, Miami has a 15-22 record (winning 40.5% of its games).
• The Marlins have combined with opponents to hit the over on the total 55 times this season for a 55-51-2 record against the over/under.
• The Marlins have a 55-53-0 record against the spread this season (covering 50.9% of the time).

Mets Player Leaders

• Bo Bichette leads New York in slugging percentage (.370) thanks to 27 extra-base hits. He has a .259 batting average and an on-base percentage of .304.
• Among all qualified hitters in the majors, his batting average ranks 66th, his on-base percentage ranks 120th, and he is 122nd in slugging.
• Carson Benge has 14 doubles, two triples, 11 home runs and 32 walks. He's batting .261 and slugging .391 with an on-base percentage of .324.
• He is 62nd in batting average, 81st in on-base percentage and 113th in slugging among qualifying hitters.
• Benge has picked up at least one hit in three games in a row. In his last five games he is batting .294 with a double, two walks and an RBI.
• Marcus Semien has collected 69 base hits, an OBP of .268 and a slugging percentage of .353 this season.
• A.J. Ewing is batting .268 with a .339 OBP and 27 RBI for New York this season.

Marlins Player Leaders

• Otto Lopez has racked up 138 hits with a .486 slugging percentage, both team-high stats for the Marlins. He's batting .325 and with an on-base percentage of .359.
• Including all the qualified hitters in the majors, his batting average ranks second, his on-base percentage ranks 33rd, and he is 26th in slugging.
• Liam Hicks is hitting .283 with nine doubles, a triple, 14 home runs and 38 walks. He's slugging .437 with an on-base percentage of .362.
• His batting average is 23rd among all qualified players, his on-base percentage ranks 28th, and he is 63rd in slugging.
• Xavier Edwards a has .373 on-base percentage to lead the Marlins.
• Javier Sanoja is batting .264 with 21 doubles, two triples, three home runs and 16 walks.

Mets vs Marlins Head to Head

• 5/31/2026: 10-1 NYM (Favorite: Mets, Spread: -1.5, Total: 7.5, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 5/30/2026: 6-1 NYM (Favorite: Mets, Spread: -1.5, Total: 7, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 5/29/2026: 9-7 NYM (Favorite: Mets, Spread: -1.5, Total: 7.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 5/24/2026: 4-0 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 5/23/2026: 4-1 MIA (Favorite: Marlins, Spread: -1.5, Total: 7.5, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 5/22/2026: 2-1 MIA (Favorite: Marlins, Spread: -1.5, Total: 8, Favorite Moneyline: -112, Underdog Moneyline: -104)
• 9/28/2025: 4-0 MIA (Favorite: Mets, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 9/27/2025: 5-0 NYM (Favorite: Mets, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 9/26/2025: 6-2 MIA (Favorite: Mets, Spread: -1.5, Total: 8.5, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 8/31/2025: 5-1 MIA (Favorite: Mets, Spread: -1.5, Total: 8, Favorite Moneyline: -172, Underdog Moneyline: +144)