Red Sox vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 16

Odds updated as of 11:12 a.m.

The Saturday slate in MLB includes a matchup between the Boston Red Sox and the Miami Marlins.

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

Red Sox vs Marlins Game Info

• Boston Red Sox (67-56) vs. Miami Marlins (58-64)
• Date: Saturday, August 16, 2025
• Time: 4:10 p.m. ET
• Venue: Fenway Park -- Boston, Massachusetts
• Coverage: NESN and FDSFL

Red Sox vs Marlins Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BOS: (-180) | MIA: (+152)
• Spread: BOS: -1.5 (+112) | MIA: +1.5 (-134)
• Total: 9 -- Over: (-112) | Under: (-108)

Red Sox vs Marlins Probable Starting Pitchers

Probable Pitchers: Brayan Bello (Red Sox) - 8-6, 3.25 ERA vs Cal Quantrill (Marlins) - 4-9, 5.09 ERA

The Red Sox will give the nod to Brayan Bello (8-6, 3.25 ERA), who is eyeing win No. 9 on the season, and the Marlins will counter with Cal Quantrill (4-9, 5.09 ERA). Bello's team is 12-8-0 against the spread this season in his starts. Bello's team has been victorious in 72.7% of the games he's started as the moneyline favorite with a record of 8-3. The Marlins are 13-9-0 against the spread when Quantrill starts. The Marlins have a 12-8 record in Quantrill's 20 starts this season when they were the moneyline underdog.

Red Sox vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (59.9%)

Red Sox vs Marlins Moneyline

• Looking at the moneyline for Marlins-Red Sox, Miami is the underdog at +152, and Boston is -180 playing at home.

Red Sox vs Marlins Spread

• The Red Sox are 1.5-run home favorites on the runline against the Marlins. The Red Sox are +112 to cover, and the Marlins are -134.

Red Sox vs Marlins Over/Under

• Red Sox versus Marlins, on Aug. 16, has an over/under of 9, with the over being -112 and the under -108.

Bet on Boston Red Sox vs. Miami Marlins on FanDuel today!

Red Sox vs Marlins Betting Trends

• The Red Sox have come away with 43 wins in the 73 contests they have been listed as the favorites in this season.
• Boston has a record of 9-4 in contests when bookmakers favor them by -180 or more on the moneyline.
• The Red Sox's games have gone over the total in 59 of their 122 opportunities.
• In 122 games with a line this season, the Red Sox have a mark of 68-54-0 against the spread.
• The Marlins have been the moneyline underdog 99 total times this season. They've finished 47-52 in those games.
• Miami is 11-15 (winning 42.3% of its games) when playing as a moneyline underdog of +152 or longer.
• The Marlins have combined with opponents to go over the total 55 times this season for a 55-63-0 record against the over/under.
• The Marlins have a 70-48-0 record against the spread this season (covering 59.3% of the time).

Red Sox Player Leaders

• Jarren Duran leads Boston OPS (.784) this season. He has a .261 batting average, an on-base percentage of .333, and a slugging percentage of .450.
• Among all qualifying hitters in the majors, he is 71st in batting average, 68th in on-base percentage, and 64th in slugging.
• Ceddanne Rafaela is batting .257 with 24 doubles, three triples, 14 home runs and 20 walks, while slugging .433 with an on-base percentage of .298.
• His batting average is 85th among qualified players, his on-base percentage 138th, and his slugging percentage 76th.
• Trevor Story is batting .258 with a .419 slugging percentage and 76 RBI this year.
• Story has recorded a hit in three straight games. During his last five outings he is hitting .286 with a double and three RBIs.
• Alex Bregman has 16 home runs, 51 RBI and a batting average of .299 this season.

Marlins Player Leaders

• Kyle Stowers has 115 hits with a .368 on-base percentage, leading the Marlins in both statistics. He's batting .288 and slugging .544.
• Including all qualifying hitters in MLB, he ranks 20th in batting average, 18th in on-base percentage and eighth in slugging percentage.
• Stowers hopes to build on a three-game hitting streak in this matchup. In his last five games he is hitting .333 with three doubles, four walks and two RBIs.
• Xavier Edwards is slugging .380 to lead his team. He has a batting average of .304 with an on-base percentage of .363.
• Including all qualifying hitters, he is sixth in batting average, 25th in on-base percentage and 133rd in slugging percentage.
• Otto Lopez is batting .241 with 16 doubles, 11 home runs and 38 walks.
• Agustin Ramirez has 25 doubles, a triple, 17 home runs and 26 walks while batting .234.

Red Sox vs Marlins Head to Head

• 8/15/2025: 2-1 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -166, Underdog Moneyline: +140)
• 7/4/2024: 6-5 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -162, Underdog Moneyline: +136)
• 7/3/2024: 7-2 BOS (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 7/2/2024: 8-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 8, Favorite Moneyline: -164, Underdog Moneyline: +138)
• 6/29/2023: 2-0 MIA (Favorite: Red Sox, Spread: -1.5, Total: 8.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 6/28/2023: 6-2 MIA (Favorite: Marlins, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 6/27/2023: 10-1 MIA (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -130, Underdog Moneyline: +110)

Sign up for FanDuel Sportsbook and FanDuel Daily Fantasy today!