Astros vs Mariners Prediction, Odds, Moneyline, Spread & Over/Under for August 18

Odds updated as of 7:26 PM

In MLB action on Friday, the Houston Astros face the Seattle Mariners.

All the info you need to make smart wagers on this matchup at FanDuel Sportsbook can be found below. Check out all of the latest MLB betting lines here.

Astros vs Mariners Game Info

• Houston Astros (70-52) vs. Seattle Mariners (66-55)
• Date: Friday, August 18, 2023
• Time: 8:10 PM ET
• Venue: Minute Maid Park -- Houston, Texas
• Coverage: SportsNet SW

Astros vs Mariners Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: HOU: (-146) | SEA: (+124)
• Spread: HOU: -1.5 (+140) | SEA: +1.5 (-170)
• Total: 8.5 -- Over: (-104) | Under: (-118)

Astros vs Mariners Probable Starting Pitchers

Probable Pitchers: J.P. France (Astros) - 9-3, 2.74 ERA vs Bryce Miller (Mariners) - 7-4, 4.04 ERA

The probable starters are J.P. France (9-3) for the Astros and Miller (7-4) for the Mariners. France and his team have a record of 9-7-0 against the spread when he starts. France's team is 8-5 this season when he starts and they are the moneyline favorite. The Mariners have an 8-9-0 ATS record in Miller's 17 starts with a set spread. The Mariners are 2-4 in Miller's six starts this season that they were the underdog on the moneyline.

Astros vs Mariners Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Astros win (51.8%)

Astros vs Mariners Moneyline

• Looking at the moneyline for Astros-Mariners, Houston is the favorite at -146, and Seattle is +124 playing on the road.

Astros vs Mariners Spread

• The Mariners are +1.5 on the spread (-170 to cover), and Houston is +140 to cover the runline.

Astros vs Mariners Over/Under

• An over/under of 8.5 has been set for Astros-Mariners on August 18, with the over being -104 and the under -118.

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Astros vs Mariners Betting Trends

• The Astros have come away with 48 wins in the 81 contests they have been listed as the favorites in this season.
• This year Houston has won 33 of 50 games when listed as at least -146 on the moneyline.
• The Astros and their opponents have gone over in 60 of their 121 games with a total set by sportsbooks this season.
• The Astros have posted a record of 62-59-0 against the spread this season.
• The Mariners have been the underdog on the moneyline 39 total times this season. They've finished 20-19 in those games.
• Seattle has a 4-7 record (winning only 36.4% of its games) when it has played as a moneyline underdog of +124 or longer.
• The Mariners have played in 121 games with a set over/under, and have combined with opponents to go over the total 60 times (60-58-3).
• The Mariners have covered 48.8% of their games this season, going 59-62-0 ATS.

Astros Player Leaders

• Kyle Tucker leads Houston with 131 hits and an OBP of .377, plus a team-best slugging percentage of .526. He's batting .297.
• Among all qualified hitters in baseball, he is 11th in batting average, 14th in on-base percentage, and 11th in slugging.
• Tucker hopes to build on a two-game hitting streak in this matchup. In his last five games he is batting .381 with a double, three home runs, two walks and eight RBI.
• Alex Bregman is hitting .251 with 17 doubles, two triples, 19 home runs and 68 walks. He's slugging .418 with an on-base percentage of .349.
• Among qualified hitters, his batting average ranks him 88th, his on-base percentage 38th, and his slugging percentage 90th.
• Yordan Alvarez has 75 hits this season and has a slash line of .275/.383/.564.
• Alvarez has picked up a hit in three games in a row. In his last five games he is batting .278 with a double, a triple, four walks and an RBI.
• Chas McCormick has 17 home runs, 50 RBI and a batting average of .288 this season.
• McCormick has hit safely in seven straight games. In his last 10 outings he is hitting .303 with a double, two home runs, four walks and three RBI.

Mariners Player Leaders

• Julio Rodriguez has racked up a slugging percentage of .451, a team-high for the Mariners. He's batting .269 with an on-base percentage of .329.
• Including all the qualified players in the majors, his batting average places him 49th, his on-base percentage ranks 72nd, and he is 57th in slugging.
• Rodriguez heads into this game on a five-game hitting streak. In his last five games he is batting .500 with four doubles, a home run, a walk and 12 RBI.
• Ty France is batting .256 with 28 doubles, 10 home runs and 33 walks. He's slugging .387 with an on-base percentage of .337.
• He is currently 74th in batting average, 55th in on-base percentage and 112th in slugging percentage among all qualifying hitters.
• Cal Raleigh has totaled 82 hits, a team-high for the Mariners.
• Eugenio Suarez is hitting .231 with 18 doubles, 17 home runs and 53 walks.

Astros vs. Mariners Head to Head

• 5/29/2022: 2-1 HOU (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 5/7/2023: 3-1 SEA (Favorite: Mariners, Spread: -1.5, Total: 8, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 5/6/2023: 7-5 SEA (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -120, Underdog Moneyline: +102)
• 5/5/2023: 6-4 HOU (Favorite: Mariners, Spread: -1.5, Total: 7, Favorite Moneyline: -136, Underdog Moneyline: +116)
• 10/15/2022: 1-0 HOU (Favorite: Astros, Spread: -1.5, Total: 7, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 10/13/2022: 4-2 HOU (Favorite: Astros, Spread: -1.5, Total: 6.5, Favorite Moneyline: -152, Underdog Moneyline: +128)
• 10/11/2022: 8-7 HOU (Favorite: Astros, Spread: -1.5, Total: 6.5, Favorite Moneyline: -235, Underdog Moneyline: +194)
• 7/31/2022: 3-2 HOU (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -142, Underdog Moneyline: +120)
• 7/30/2022: 5-4 SEA (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -200, Underdog Moneyline: +168)
• 7/29/2022: 11-1 HOU (Favorite: Astros, Spread: -1.5, Total: 7, Favorite Moneyline: -198, Underdog Moneyline: +166)

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