Astros vs Orioles Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 15

Odds updated as of 4:18 a.m.

The MLB's Friday slate includes the Houston Astros taking on the Baltimore Orioles.

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

Astros vs Orioles Game Info

• Houston Astros (68-53) vs. Baltimore Orioles (55-66)
• Date: Friday, August 15, 2025
• Time: 8:10 p.m. ET
• Venue: Daikin Park -- Houston, Texas
• Coverage: SCHN and MASN2

Astros vs Orioles Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: HOU: (-235) | BAL: (+194)
• Spread: HOU: -1.5 (-111) | BAL: +1.5 (-108)
• Total: 8 -- Over: (-105) | Under: (-115)

Astros vs Orioles Probable Starting Pitchers

Probable Pitchers: Framber Valdez (Astros) - 11-5, 2.97 ERA vs Brandon Young (Orioles) - 0-6, 6.70 ERA

The Astros will give the nod to Framber Valdez (11-5) versus the Orioles and Brandon Young (0-6). When Valdez starts, his team is 10-12-0 against the spread this season. When Valdez starts a game and his team is the favorite on the moneyline, they have a record of 11-7. The Orioles have a 4-5-0 record against the spread in Young's starts. The Orioles have a 1-6 record in Young's seven starts this season when they were the underdog on the moneyline.

Astros vs Orioles Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Astros win (70.7%)

Astros vs Orioles Moneyline

• The moneyline numbers for Astros vs. Orioles reveal Houston as the favorite (-235) and Baltimore as the underdog (+194) on the road.

Astros vs Orioles Spread

• The Astros are favored by 1.5 runs at home versus the Orioles. The Astros are -111 to cover the spread, while the Orioles are -108.

Astros vs Orioles Over/Under

• The Astros-Orioles game on Aug. 15 has been given an over/under of 8 runs. The over is set at -105 and the under at -115.

Bet on Houston Astros vs. Baltimore Orioles on FanDuel today!

Astros vs Orioles Betting Trends

• The Astros have won in 42, or 53.8%, of the 78 contests they have been named as odds-on favorites in this year.
• This season Houston has been victorious four times in six chances when named as a favorite of at least -235 on the moneyline.
• The Astros and their opponents have gone over in 53 of their 120 games with a total set by sportsbooks this season.
• The Astros are 61-59-0 against the spread in their 120 games that had a posted line this season.
• The Orioles have been the moneyline underdog 62 total times this season. They've finished 28-34 in those games.
• Baltimore has played as a moneyline underdog of +194 or longer in just two games this season, which it split 1-1.
• The Orioles have had an over/under set by oddsmakers 118 times, and have combined with opponents to go over the total in 50 of those games (50-64-4).
• The Orioles have collected a 53-65-0 record ATS this season (covering 44.9% of the time).

Astros Player Leaders

• Jose Altuve leads Houston in slugging percentage (.469) thanks to 40 extra-base hits. He has a .283 batting average and an on-base percentage of .348.
• He ranks 25th in batting average, 45th in on-base percentage, and 39th in slugging among all qualifying batters in the majors.
• Jeremy Pena leads Houston with 115 hits and an OBP of .373 this season. He's batting .318 and slugging .492.
• He is second in batting average, 14th in on-base percentage and 26th in slugging among qualifying hitters.
• Pena enters this matchup looking to extend his three-game hit streak. During his last five outings he is hitting .273 with two home runs, a walk and two RBIs.
• Yainer Diaz is batting .254 with a .423 slugging percentage and 53 RBI this year.
• Diaz has recorded at least one base hit in two games in a row. During his last five outings he is batting .250 with a home run and three RBIs.
• Christian Walker has been key for Houston with 102 hits, an OBP of .300 plus a slugging percentage of .394.

Orioles Player Leaders

• Gunnar Henderson has put up a team-high OBP (.352) and slugging percentage (.468), and paces the Orioles in hits (121, while batting .283).
• Including all qualified hitters in the big leagues, his batting average places him 25th, his on-base percentage is 41st, and he is 42nd in slugging.
• Henderson hopes to build on a seven-game hitting streak in this matchup. During his last 10 games he is batting .265 with four doubles, a home run, three walks and five RBIs.
• Jackson Holliday is hitting .248 with 16 doubles, two triples, 14 home runs and 29 walks. He's slugging .387 with an on-base percentage of .301.
• His batting average is 105th among all qualified players, his on-base percentage ranks 131st, and he is 127th in slugging.
• Adley Rutschman is batting .232 with 16 doubles, a triple, nine home runs and 37 walks.
• Jordan Westburg is batting .265 with nine doubles, a triple, 14 home runs and 14 walks.

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