Astros vs Orioles Prediction, Odds, Moneyline, Spread & Over/Under for July 18

Odds updated as of 3:12 p.m.

The Houston Astros will face the Baltimore Orioles in MLB action on Saturday.

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

Astros vs Orioles Game Info

• Houston Astros (47-52) vs. Baltimore Orioles (47-51)
• Date: Saturday, July 18, 2026
• Time: 4:10 p.m. ET
• Venue: Daikin Park -- Houston, Texas
• Coverage: SCHN and MASN

Astros vs Orioles Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: HOU: (-118) | BAL: (+100)
• Spread: HOU: +1.5 (-182) | BAL: -1.5 (+150)
• Total: 8.5 -- Over: (-122) | Under: (+100)

Astros vs Orioles Probable Starting Pitchers

Probable Pitchers: Spencer Arrighetti (Astros) - 7-5, 4.50 ERA vs Trevor Rogers (Orioles) - 6-7, 4.48 ERA

The Astros will give the ball to Spencer Arrighetti (7-5, 4.50 ERA), who is eyeing win No. 8 on the season, and the Orioles will turn to Trevor Rogers (6-7, 4.48 ERA). Arrighetti's team is 8-7-0 against the spread this season in his starts. Arrighetti's team is 2-1 this season when he starts and they are the moneyline favorite. The Orioles have a 7-10-0 ATS record in Rogers' 17 starts with a set spread. The Orioles have a 2-4 record in Rogers' six 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 (54.2%)

Astros vs Orioles Moneyline

• Baltimore is a +100 underdog on the moneyline, while Houston is a -118 favorite at home.

Astros vs Orioles Spread

• The Orioles are 1.5-run favorites against the spread for this matchup with the Astros. The Orioles are +150 to cover, while the Astros are -182 to cover as a 1.5-run underdog on the runline.

Astros vs Orioles Over/Under

• The Astros-Orioles game on July 18 has been given an over/under of 8.5 runs. The over is set at -122 and the under at +100.

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

Astros vs Orioles Betting Trends

• The Astros have been favorites in 34 games this season and have come away with the win 15 times (44.1%) in those contests.
• This season Houston has come away with a win 10 times in 27 chances when named as a favorite of at least -118 on the moneyline.
• The Astros and their opponents have gone over the total this season in 53 of their 99 opportunities.
• The Astros have an against the spread mark of 47-52-0 in 99 games with a line this season.
• The Orioles have won 46.7% of the games this season they were the underdog on the moneyline (21-24).
• When it has played as a moneyline underdog with odds of +100 or longer, Baltimore has a 15-19 record (winning 44.1% of its games).
• The Orioles have combined with opponents to hit the over on the total 53 times this season for a 53-41-3 record against the over/under.
• The Orioles have a 48-49-0 record ATS this season.

Astros Player Leaders

• Yordan Alvarez has 113 hits and an OBP of .431 to go with a slugging percentage of .636. All three of those stats are tops among Houston hitters this season. He has a .321 batting average, as well.
• Among qualifying hitters in MLB, he ranks third in batting average, first in on-base percentage, and first in slugging.
• Alvarez has hit safely in four straight games. During his last five outings he is hitting .471 with two doubles, two home runs, six walks and four RBIs.
• Christian Walker has 19 doubles, a triple, 20 home runs and 33 walks. He's batting .234 and slugging .457 with an on-base percentage of .311.
• Among all qualifying players, he is 120th in batting average, 107th in on-base percentage and 52nd in slugging percentage.
• Isaac Paredes is batting .254 with a .416 slugging percentage and 50 RBI this year.
• Paredes takes a three-game hitting streak into this matchup. In his last five games he is hitting .333 with two doubles, four walks and three RBIs.
• Cam Smith has 12 home runs, 34 RBI and a batting average of .215 this season.

Orioles Player Leaders

• Pete Alonso is leading the Orioles with 91 hits. He's batting .250 and slugging .470 with an on-base percentage of .345.
• Including all the qualifying hitters in MLB, he ranks 84th in batting average, 53rd in on-base percentage and 42nd in slugging percentage.
• Taylor Ward has a .388 on-base percentage while slugging .367. Both lead his team. He has a batting average of .256.
• He ranks 74th in batting average, ninth in on-base percentage and 121st in slugging percentage in the majors.
• Gunnar Henderson is hitting .222 with 16 doubles, two triples, 17 home runs and 34 walks.
• Adley Rutschman has 19 doubles, a triple, eight home runs and 29 walks while batting .255.

Astros vs Orioles Head to Head

• 7/17/2026: 3-2 BAL (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -118, Underdog Moneyline: +100)
• 4/30/2026: 11-5 HOU (Favorite: Orioles, Spread: -1.5, Total: 9, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 4/30/2026: 10-3 BAL (Favorite: Orioles, Spread: -1.5, Total: 9, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 4/28/2026: 5-3 BAL (Favorite: Orioles, Spread: -1.5, Total: 9, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 8/24/2025: 3-2 BAL (Favorite: Orioles, Spread: -1.5, Total: 9, Favorite Moneyline: -132, Underdog Moneyline: +112)
• 8/23/2025: 9-8 HOU (Favorite: Orioles, Spread: -1.5, Total: 9, Favorite Moneyline: -118, Underdog Moneyline: -100)
• 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)

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