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

Odds updated as of 4:21 p.m.

The Boston Red Sox versus the Miami Marlins is on the MLB schedule for Saturday.

Here's what you need to know before checking out today's MLB odds and spreads on FanDuel Sportsbook.

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: (-196) | MIA: (+164)
• Spread: BOS: -1.5 (+104) | MIA: +1.5 (-125)
• 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) versus the Marlins and Cal Quantrill (4-9). Bello and his team are 12-8-0 ATS this season when he starts. Bello's team has a record of 8-3 this season when he starts and they are the favorite on the moneyline. The Marlins have gone 13-9-0 against the spread when Quantrill starts. The Marlins are 12-8 in Quantrill's 20 starts this season that 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 (65.2%)

Red Sox vs Marlins Moneyline

• Looking at the moneyline for Red Sox-Marlins, Boston is the favorite at -196, and Miami is +164 playing on the road.

Red Sox vs Marlins Spread

• The Marlins are at +1.5 on the runline against the Red Sox. The Marlins are -125 to cover the spread, and the Red Sox are +104.

Red Sox vs Marlins Over/Under

• The over/under for Red Sox-Marlins on Aug. 16 is 9. The over is -112, and the under is -108.

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

Red Sox vs Marlins Betting Trends

• The Red Sox have been victorious in 43, or 58.9%, of the 73 contests they have been chosen as favorites in this season.
• Boston has a record of 9-3 when favored by -196 or more this year.
• The Red Sox's games have gone over the total in 59 of their 122 opportunities.
• The Red Sox are 68-54-0 against the spread in their 122 games with a line set by sportsbooks this season.
• The Marlins have gone 47-52 in games they were listed as the moneyline underdog (winning 47.5% of those games).
• In games it has played as a moneyline underdog with odds of +164 or longer, Miami has a 9-15 record (winning only 37.5% of its games).
• The Marlins have combined with opponents to hit the over on the total 55 times this season for a 55-63-0 record against the over/under.
• The Marlins have gone 70-48-0 against the spread this season.

Red Sox Player Leaders

• Jarren Duran leads Boston with an OBP of .333, plus a team-best slugging percentage of .450. He's batting .261 on the season.
• Among all qualified 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.
• He is 85th in batting average, 138th in on-base percentage and 76th in slugging among qualified hitters.
• Trevor Story has 118 hits this season and has a slash line of .258/.303/.419.
• Story brings a three-game hitting streak into this matchup. During his last five outings he is batting .286 with a double and three RBIs.
• Wilyer Abreu leads Boston in total hits (87) this season while batting .252 with 37 extra-base hits.

Marlins Player Leaders

• Kyle Stowers has racked up 115 hits with a .368 on-base percentage, leading the Marlins in both statistics. He's batting .288 and slugging .544.
• Including all qualified hitters in the majors, he is 20th in batting average, 18th in on-base percentage and eighth in slugging percentage.
• Stowers heads into this matchup on a three-game hitting streak. During his last five outings he is batting .333 with three doubles, four walks and two RBIs.
• Xavier Edwards is slugging .380 to pace his team. He has a batting average of .304 with an on-base percentage of .363.
• He is currently sixth in batting average, 25th in on-base percentage and 133rd in slugging percentage among all qualified hitters.
• Otto Lopez is hitting .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)

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