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

Odds updated as of 6:11 a.m.

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

We've got you covered, in terms of the most important info regarding this matchup before you take a look at the MLB odds and spreads on FanDuel Sportsbook.

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 (-126) | MIA: +1.5 (+105)
• Total: 8.5 -- Over: (-100) | Under: (-122)

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

This contest's pitching matchup is set, as the Red Sox will send Garrett Crochet (13-5) to the mound, while Janson Junk (6-2) will take the ball for the Marlins. Crochet's team is 13-11-0 against the spread this season in his starts. When Crochet starts a game and his team is the favorite on the moneyline, they have a record of 14-8. When Junk starts, the Marlins are 8-1-0 against the spread. The Marlins have been the underdog on the moneyline 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 (65.2%)

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 Red Sox are 1.5-run home favorites on the runline against the Marlins. The Red Sox are -126 to cover, and the Marlins are +105.

Red Sox vs Marlins Over/Under

• The over/under for the Red Sox versus Marlins game on Aug. 17 has been set at 8.5, with -100 odds on the over and -122 odds on the under.

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

Red Sox vs Marlins Betting Trends

• The Red Sox have been favorites in 74 games this season and have come away with the win 44 times (59.5%) in those contests.
• Boston has a record of 4-1 when favored by -260 or more this year.
• The Red Sox and their opponents have gone over in 60 of their 123 games with a total set by sportsbooks this season.
• The Red Sox have posted a record of 69-54-0 against the spread this season.
• The Marlins are 47-53 in games they were the underdog on the moneyline (winning 47% of those games).
• Miami is 2-4 (winning just 33.3% of its games) when playing as a moneyline underdog of +215 or longer.
• In the 119 games bookmakers 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 (covering 58.8% of the time).

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.
• He ranks 68th in batting average, 64th in on-base percentage, and 62nd in slugging among all qualifying hitters in MLB.
• Trevor Story is batting .260 with 20 doubles, 19 home runs and 25 walks, while slugging .426 with an on-base percentage of .304.
• He is 74th in batting average, 126th in on-base percentage and 83rd in slugging in the major leagues.
• Story has picked up a hit in four games in a row. In his last five games he is hitting .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 has been key for Boston with 89 hits, an OBP of .385 plus a slugging percentage of .544.
• Bregman heads into this game on a two-game hitting streak. 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 accumulated a slugging percentage of .377, a team-high for the Marlins. He's batting .301 with an on-base percentage of .360.
• Including all qualified hitters in the big leagues, he ranks sixth in batting average, 26th in on-base percentage and 135th in slugging percentage.
• Otto Lopez has 16 doubles, 11 home runs and 38 walks while hitting .241. He's slugging .363 with an on-base percentage of .311.
• His batting average is 120th among all qualified players, his on-base percentage is 115th, and he is 147th in slugging.
• Agustin Ramirez is hitting .237 with 25 doubles, a triple, 18 home runs and 26 walks.
• Eric Wagaman has 21 doubles, three triples, six home runs and 27 walks while hitting .232.

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)

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