Red Sox vs Orioles Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 18

Odds updated as of 2:13 a.m.

Monday's slate in the MLB includes a matchup between the Boston Red Sox and the Baltimore Orioles.

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

Red Sox vs Orioles Game Info

• Boston Red Sox (68-57) vs. Baltimore Orioles (57-67)
• Date: Monday, August 18, 2025
• Time: 7:10 p.m. ET
• Venue: Fenway Park -- Boston, Massachusetts
• Coverage: NESN and MASN

Red Sox vs Orioles Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BOS: (-118) | BAL: (-100)
• Spread: BOS: +1.5 (-205) | BAL: -1.5 (+168)
• Total: 8.5 -- Over: (-118) | Under: (-104)

Red Sox vs Orioles Probable Starting Pitchers

Probable Pitchers: Dustin May (Red Sox) - 7-8, 4.67 ERA vs Trevor Rogers (Orioles) - 5-2, 1.43 ERA

The probable pitchers are Dustin May (7-8) for the Red Sox and Trevor Rogers (5-2) for the Orioles. May and his team have a record of 7-13-0 against the spread when he starts. May's team is 9-8 this season when he starts and they are the moneyline favorite. The Orioles are 8-2-0 against the spread when Rogers starts. The Orioles have been the underdog on the moneyline in six of Rogers' starts this season, and they went 4-2 in those games.

Red Sox vs Orioles Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (57.1%)

Red Sox vs Orioles Moneyline

• Boston is a -118 favorite on the moneyline, while Baltimore is a -100 underdog on the road.

Red Sox vs Orioles Spread

• The Orioles are 1.5-run favorites against the spread for this matchup with the Red Sox. The Orioles are +168 to cover, while the Red Sox are -205 to cover as a 1.5-run underdog on the runline.

Red Sox vs Orioles Over/Under

• A combined run total of 8.5 has been set for Red Sox-Orioles on Aug. 18, with the over at -118 and the under at -104.

Bet on Boston Red Sox vs. Baltimore Orioles on FanDuel today!

Red Sox vs Orioles Betting Trends

• The Red Sox have been chosen as favorites in 75 games this year and have walked away with the win 44 times (58.7%) in those games.
• This season Boston has been victorious 37 times in 59 chances when named as a favorite of at least -118 on the moneyline.
• The Red Sox and their opponents have gone over in 60 of their 124 games with a total set by sportsbooks this season.
• The Red Sox are 69-55-0 against the spread in their 124 games that had a posted line this season.
• The Orioles are 30-35 in games they were listed as the moneyline underdog (winning 46.2% of those games).
• In games it has played as a moneyline underdog with odds of -100 or longer, Baltimore has a 22-29 record (winning 43.1% of its games).
• In the 121 games bookmakers have set an over/under for the Orioles, they have combined with opponents to go over the total 52 times (52-65-4).
• The Orioles have a 56-65-0 record ATS this season.

Red Sox Player Leaders

• Jarren Duran leads Boston OPS (.791) this season. He has a .263 batting average, an on-base percentage of .338, and a slugging percentage of .454.
• He is 64th in batting average, 64th in on-base percentage, and 59th in slugging among qualifying hitters in the majors.
• Duran will look for his third straight game with a hit in this contest. In his last five games he is batting .200 with two doubles, four walks and an RBI.
• Trevor Story is hitting .258 with 20 doubles, 19 home runs and 25 walks, while slugging .423 with an on-base percentage of .302.
• Among qualified hitters, his batting average ranks him 81st, his on-base percentage 132nd, and his slugging percentage 85th.
• Ceddanne Rafaela is batting .255 with a .430 slugging percentage and 52 RBI this year.
• Wilyer Abreu leads Boston in total hits (89) this season while batting .253 with 38 extra-base hits.

Orioles Player Leaders

• Gunnar Henderson has totaled 122 hits with a .350 on-base percentage and a .460 slugging percentage, all club-highs for the Orioles. He's batting .279.
• Including all the qualified hitters in the big leagues, he ranks 32nd in batting average, 43rd in on-base percentage and 54th in slugging percentage.
• Jackson Holliday is batting .249 with 16 doubles, two triples, 15 home runs and 31 walks. He's slugging .390 with an on-base percentage of .303.
• He is currently 103rd in batting average, 130th in on-base percentage and 123rd in slugging percentage among all qualifying hitters.
• Jordan Westburg is batting .277 with nine doubles, a triple, 15 home runs and 15 walks.
• Adley Rutschman is hitting .227 with 16 doubles, a triple, nine home runs and 37 walks.

Red Sox vs Orioles Head to Head

• 5/25/2025: 5-1 BAL (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 5/24/2025: 2-1 BAL (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -134, Underdog Moneyline: +116)
• 5/24/2025: 6-5 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -108, Underdog Moneyline: -108)
• 5/23/2025: 19-5 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 4/3/2025: 8-4 BOS (Favorite: Orioles, Spread: -1.5, Total: 9.5, Favorite Moneyline: -126, Underdog Moneyline: +108)
• 4/2/2025: 3-0 BOS (Favorite: Red Sox, Spread: -1.5, Total: 7.5, Favorite Moneyline: -122, Underdog Moneyline: +104)
• 3/31/2025: 8-5 BAL (Favorite: Orioles, Spread: -1.5, Total: 9.5, Favorite Moneyline: -146, Underdog Moneyline: +124)
• 9/11/2024: 5-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 9/10/2024: 5-3 BAL (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -134, Underdog Moneyline: +114)
• 9/9/2024: 12-3 BOS (Favorite: Red Sox, Spread: -1.5, Total: 9.5, Favorite Moneyline: -120, Underdog Moneyline: +102)

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