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

Odds updated as of 7:13 p.m.

The MLB's Monday slate includes the Boston Red Sox taking on the Baltimore Orioles.

We've got you covered, in terms of the most important 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: (-122) | BAL: (+104)
• Spread: BOS: +1.5 (-210) | BAL: -1.5 (+172)
• Total: 8 -- Over: (-110) | Under: (-110)

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's team is 7-13-0 against the spread this season in his starts. May's team has a record of 9-8 this season when he starts and they are the favorite on the moneyline. When Rogers starts, the Orioles are 8-2-0 against the spread. The Orioles have been the moneyline underdog in six of Rogers' starts this season, and they went 4-2 in those matchups.

Red Sox vs Orioles Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Red Sox win (54.5%)

Red Sox vs Orioles Moneyline

• The Red Sox vs Orioles moneyline has Boston as a -122 favorite, while Baltimore is a +104 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 +172 to cover, while the Red Sox are -210 to cover as a 1.5-run underdog on the runline.

Red Sox vs Orioles Over/Under

• An over/under of 8 has been set for Red Sox-Orioles on Aug. 18, with the over being -110 and the under -110.

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.
• These are the best odds of a victory sportsbooks have given Boston this season, with a -122 moneyline set for this game.
• The Red Sox and their opponents have hit the over in 60 of their 124 games with a total set by oddsmakers this season.
• In 124 games with a line this season, the Red Sox have a mark of 69-55-0 against the spread.
• The Orioles have won 46.2% of the games this season they were the underdog on the moneyline (30-35).
• Baltimore has never played a game this season with moneyline odds of +104 or longer.
• The Orioles have played in 121 games with an over/under set, and have combined with their opponents to go over the total 52 times (52-65-4).
• The Orioles have a 56-65-0 record against the spread this season (covering 46.3% of the time).

Red Sox Player Leaders

• Jarren Duran has an OPS of .791, fueled by an OBP of .338 to go with a slugging percentage of .454. He has a .263 batting average, as well.
• He ranks 64th in batting average, 64th in on-base percentage, and 59th in slugging among all qualified hitters in MLB.
• Duran has hit safely in two games in a row. In his last five games he is batting .200 with two doubles, four walks and an RBI.
• Trevor Story has 20 doubles, 19 home runs and 25 walks. He's batting .258 and slugging .423 with an on-base percentage of .302.
• He ranks 80th in batting average, 132nd in on-base percentage and 85th in slugging in the major leagues.
• 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 an on-base percentage of .350, a slugging percentage of .460, and has 122 hits, all club-bests for the Orioles (while batting .279).
• Including all qualified hitters, he is 33rd in batting average, while his on-base percentage ranks 43rd and he is 54th in slugging.
• Jackson Holliday has 16 doubles, two triples, 15 home runs and 31 walks while hitting .249. He's slugging .390 with an on-base percentage of .303.
• Including all qualifying hitters, he ranks 104th in batting average, 130th in on-base percentage and 123rd in slugging percentage.
• Jordan Westburg is batting .277 with nine doubles, a triple, 15 home runs and 15 walks.
• Adley Rutschman is batting .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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