Orioles vs Astros Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 23

Odds updated as of 6:12 p.m.

The MLB slate on Saturday includes the Baltimore Orioles facing the Houston Astros.

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.

Orioles vs Astros Game Info

• Baltimore Orioles (59-69) vs. Houston Astros (71-58)
• Date: Saturday, August 23, 2025
• Time: 7:05 p.m. ET
• Venue: Oriole Park at Camden Yards -- Baltimore, Maryland
• Coverage: MASN and SCHN

Orioles vs Astros Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: BAL: (-120) | HOU: (+102)
• Spread: BAL: +1.5 (-205) | HOU: -1.5 (+168)
• Total: 9 -- Over: (-106) | Under: (-114)

Orioles vs Astros Probable Starting Pitchers

Probable Pitchers: Dean Kremer (Orioles) - 9-9, 3.97 ERA vs Cristian Javier (Astros) - 1-1, 3.38 ERA

The Orioles will give the nod to Dean Kremer (9-9, 3.97 ERA), who is eyeing win No. 10 on the season, and the Astros will counter with Cristian Javier (1-1, 3.38 ERA). Kremer and his team have a record of 12-12-0 against the spread when he starts. Kremer's team is 5-6 this season when he starts and they are the moneyline favorite. Javier has started two games with set spreads, and the Astros went 1-1-0. The Astros were the underdog on the moneyline for one Javier start this season -- they won.

Orioles vs Astros Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Orioles win (52.8%)

Orioles vs Astros Moneyline

• Houston is the underdog, +102 on the moneyline, while Baltimore is a -120 favorite at home.

Orioles vs Astros Spread

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

Orioles vs Astros Over/Under

• The over/under for Orioles-Astros on Aug. 23 is 9. The over is -106, and the under is -114.

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

Orioles vs Astros Betting Trends

• The Orioles have won in 24, or 44.4%, of the 54 contests they have been named as odds-on favorites in this year.
• This season Baltimore has come away with a win 20 times in 41 chances when named as a favorite of at least -120 on the moneyline.
• The Orioles' games have gone over the total in 55 of their 125 opportunities.
• The Orioles have an against the spread mark of 58-67-0 in 125 games with a line this season.
• The Astros have gone 25-17 in games they were the underdog on the moneyline (winning 59.5% of those games).
• When it has played as a moneyline underdog with odds of +102 or longer, Houston has a 16-12 record (winning 57.1% of its games).
• The Astros have had an over/under set by bookmakers 128 times, and have combined with opponents to go over the total in 59 of those games (59-65-4).
• The Astros are 64-64-0 against the spread this season.

Orioles Player Leaders

• Gunnar Henderson leads Baltimore in OBP (.352), slugging percentage (.466) and total hits (128) this season. He has a .281 batting average.
• He is 28th in batting average, 38th in on-base percentage, and 46th in slugging among all qualified hitters in baseball.
• Henderson has picked up at least one hit in four straight games. In his last five games he is batting .300 with a triple, a home run, three walks and four RBIs.
• Jackson Holliday has 17 doubles, two triples, 15 home runs and 36 walks. He's batting .248 and slugging .387 with an on-base percentage of .308.
• Among qualifying batters, he ranks 101st in batting average, 119th in on-base percentage and 126th in slugging percentage.
• Holliday brings a three-game streak with at least one hit into this matchup. In his last five games he is hitting .263 with a double, seven walks and two RBIs.
• Ryan Mountcastle has 60 hits this season and has a slash line of .256/.294/.368.
• Mountcastle has picked up a hit in eight games in a row. In his last 10 outings he is hitting .300 with a double, a home run, three walks and four RBIs.
• Colton Cowser has 10 home runs, 24 RBI and a batting average of .211 this season.
• Cowser heads into this game on a three-game hitting streak. In his last five games he is batting .190 with a double, a home run, three walks and two RBIs.

Astros Player Leaders

• Jose Altuve has a .456 slugging percentage, which leads the Astros. He's batting .275 with an on-base percentage of .339.
• Including all qualifying hitters, he ranks 38th in batting average, while his on-base percentage ranks 56th and he is 58th in slugging.
• Jeremy Pena leads his team with 119 hits and a .366 on-base percentage. He has a batting average of .307 while slugging .483.
• Including all qualifying hitters, his batting average puts him third, his on-base percentage is 20th, and he is 30th in slugging.
• Yainer Diaz is hitting .254 with 16 doubles, a triple, 18 home runs and 18 walks.
• Christian Walker is batting .232 with 21 doubles, a triple, 18 home runs and 37 walks.

Orioles vs Astros Head to Head

• 8/22/2025: 10-7 HOU (Favorite: Astros, Spread: -1.5, Total: 9.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 8/21/2025: 7-2 HOU (Favorite: Orioles, Spread: -1.5, Total: 8.5, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 8/17/2025: 12-0 BAL (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 8/16/2025: 5-4 HOU (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 8/15/2025: 7-0 BAL (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -220, Underdog Moneyline: +184)
• 8/25/2024: 6-3 HOU (Favorite: Orioles, Spread: -1.5, Total: 8, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 8/24/2024: 3-2 BAL (Favorite: Orioles, Spread: -1.5, Total: 8.5, Favorite Moneyline: -110, Underdog Moneyline: -106)
• 8/23/2024: 7-5 BAL (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 8/22/2024: 6-0 HOU (Favorite: Orioles, Spread: -1.5, Total: 7.5, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 6/23/2024: 8-1 HOU (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -108, Underdog Moneyline: -108)

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