Red Sox vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 17

Odds updated as of 1:13 p.m.

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

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

Red Sox vs Marlins Game Info

• Boston Red Sox (68-56) vs. Miami Marlins (58-65)
• Date: Sunday, August 17, 2025
• Time: 1:35 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: (-260) | MIA: (+215)
• Spread: BOS: -1.5 (-125) | MIA: +1.5 (+104)
• Total: 8.5 -- Over: (-122) | Under: (-100)

Red Sox vs Marlins Probable Starting Pitchers

Probable Pitchers: Garrett Crochet (Red Sox) - 13-5, 2.48 ERA vs Janson Junk (Marlins) - 6-2, 4.06 ERA

The Red Sox will look to Garrett Crochet (13-5) against the Marlins and Janson Junk (6-2). Crochet and his team are 13-11-0 ATS this season when he starts. Crochet's team has been victorious in 63.6% of the games he's started as the moneyline favorite with a record of 14-8. When Junk starts, the Marlins have gone 8-1-0 against the spread. The Marlins have been the moneyline underdog in eight of Junk's starts this season, and they went 5-3 in those games.

Red Sox vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (64.8%)

Red Sox vs Marlins Moneyline

• The moneyline numbers for Red Sox vs. Marlins reveal Boston as the favorite (-260) and Miami as the underdog (+215) on the road.

Red Sox vs Marlins Spread

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

Red Sox vs Marlins Over/Under

• Red Sox versus Marlins on Aug. 17 has an over/under of 8.5 runs, with the odds on the over -122 and the under set at -100.

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

Red Sox vs Marlins Betting Trends

• The Red Sox have been victorious in 44, or 59.5%, of the 74 contests they have been chosen as favorites in this season.
• Oddsmakers have given Boston the best odds of winning it has seen this season, with a -260 moneyline listed for this contest.
• The Red Sox and their opponents have gone over the total this season in 60 of their 123 opportunities.
• The Red Sox have posted a record of 69-54-0 against the spread this season.
• The Marlins have gone 47-53 in games they were listed as the moneyline underdog (winning 47% of those games).
• Miami has not yet played as a moneyline underdog of +215 or longer.
• In the 119 games oddsmakers have set an over/under for the Marlins, they have combined with opponents to go over the total 56 times (56-63-0).
• The Marlins have put together a 70-49-0 record against the spread this season.

Red Sox Player Leaders

• Jarren Duran leads Boston OPS (.789) this season. He has a .262 batting average, an on-base percentage of .336, and a slugging percentage of .452.
• Among qualified batters in baseball, his batting average ranks 68th, his on-base percentage ranks 64th, and he is 62nd in slugging.
• Trevor Story has 20 doubles, 19 home runs and 25 walks. He's batting .260 and slugging .426 with an on-base percentage of .304.
• He ranks 74th in batting average, 126th in on-base percentage and 83rd in slugging in MLB.
• Story heads into this game looking to extend his four-game hit streak. In his last five games he is batting .333 with a double, a home run and six RBIs.
• Ceddanne Rafaela has 106 hits this season and has a slash line of .257/.298/.433.
• Alex Bregman is batting .303 with a .385 OBP and 52 RBI for Boston this season.
• Bregman takes a two-game hitting streak into this matchup. During his last five outings he is hitting .368 with a double, two home runs, three walks and six RBIs.

Marlins Player Leaders

• Xavier Edwards has put up a team-high .379 slugging percentage. He's batting .304 with an on-base percentage of .362.
• Including all the qualifying hitters in the majors, his batting average places him sixth, his on-base percentage ranks 24th, and he is 134th in slugging.
• Otto Lopez is batting .241 with 16 doubles, 11 home runs and 38 walks. He's slugging .363 with an on-base percentage of .311.
• He is currently 120th in batting average, 115th in on-base percentage and 147th in slugging percentage among all qualified hitters.
• Agustin Ramirez is hitting .237 with 25 doubles, a triple, 18 home runs and 26 walks.
• Eric Wagaman is hitting .232 with 21 doubles, three triples, six home runs and 27 walks.

Red Sox vs Marlins Head to Head

• 8/16/2025: 7-5 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -196, Underdog Moneyline: +164)
• 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!