Astros vs. Mariners Prediction: MLB Betting Lines, Stats and Picks – August 18, 2023

Written By PlayPicks Staff on August 17, 2023

The Seattle Mariners (66-55) will attempt to keep a three-game win streak going when they visit the Houston Astros (70-52) at 8:10 PM ET on Friday.

The Astros are a home favorite (-146) versus the Mariners (+123). The total for this game is set at 8.5.

The betting facts in what follows are based off odds valid as of August 18, 2023 at 7:12 PM ET. Ready to bet? Click here to get the best DraftKings Sportsbook deposit bonus!

Astros vs Mariners Betting Lines

Favorite Favorite Moneyline Underdog Moneyline Total
Astros -146 +123 8.5

Astros Betting Insights

  • The Astros have been favorites in 87 games this season and won 49 (56.3%) of those contests.
  • Houston is 32-19 this season when entering a game favored by -146 or more on the moneyline.
  • The implied probability of a win from the Astros, based on the moneyline, is 59.3%.
  • Houston and its opponents have gone over the total this season in 60 of 122 opportunities.
  • The Astros are 61-61-0 against the spread in their 122 chances this season.

Astros Last 10 Games Trend

Stat Avg/Total
Record 7-3
Runs Per Game 7.0
HR 17
ERA 3.99
K/9 7.6

Mariners Betting Insights

  • The Mariners have been victorious in 19, or 48.7%, of the 39 contests they have been chosen as underdogs in this season.
  • Seattle has a win-loss record of 4-7 when favored by +123 or worse by sportsbooks this year.
  • Oddsmakers have implied with the moneyline set for this matchup that the Mariners have a 44.8% chance of pulling out a win.
  • Seattle and its opponents have gone over the total this season in 60 of its 121 opportunities.
  • The Mariners are 59-62-0 against the spread in their 121 games with a line set by sportsbooks this season.

Mariners Last 10 Games Trend

Stat Avg/Total
Record 7-3
Runs Per Game 5.1
HR 14
ERA 2.81
K/9 8.1

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Astros Probable Pitcher – J.P. France

  • When France starts, his team is 9-7-0 against the spread this season.
  • The right-hander gave up two earned runs and allowed four hits in seven innings pitched against the Los Angeles Angels on Saturday.
  • France has made 14 starts of five or more innings in 16 chances this season, and averages 6.0 frames when he pitches.
  • He has four appearances with no earned runs allowed in 17 chances this season.
  • When France starts a game and his team is the favorite on the moneyline, they have a record of 8-5.
  • France’s team has a 10-6 record in his starts this season.
  • In games France has started this season, the teams are 9-7-0 at hitting the over.

Astros Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Bryan Abreu 55 56 81 2.25 20 4
Héctor Neris 51 49.2 58 1.81 24 2
Kendall Graveman 51 51.2 50 3.31 9 8
Ryan Pressly 50 52.1 56 2.92 0 28
Rafael Montero 49 51 57 5.47 7 1

Mariners Probable Pitcher – Bryce Miller

  • Miller (7-4) takes the mound first for the Mariners in his 18th start of the season. He’s put together a 4.04 ERA in 91 1/3 innings pitched, with 87 strikeouts.
  • The right-hander last pitched on Sunday against the Baltimore Orioles, when he went 5 2/3 innings, allowing one earned run while giving up five hits.
  • Miller is aiming for his seventh straight outing lasting five or more innings. He averages 5.4 frames per start.
  • He has had four appearances this season in which he did not allow an earned run.
  • The Mariners have a 2-5 record in Miller’s seven starts this season when they were the moneyline underdog.
  • Miller’s team is 10-7 over his 17 starts.
  • Miller has had 17 starts with a total this season, and the teams combined to go over the total in seven of those games.

Mariners Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Matt Brash 60 53 86 3.40 16 4
Justin Topa 52 47.1 44 2.28 18 2
Gabe Speier 50 40.2 42 3.32 13 0
Tayler Saucedo 37 38 37 2.13 2 1
Andres Munoz 33 32.1 44 2.78 12 6

Astros Hitting Trends

  • The Astros have a 31-10 record this season in games when they belt at least two home runs.
  • Houston has gone 19-5 in its 24 games this season with five or more extra-base hits.
  • The club has totaled at least eight hits 83 times this season, and has a 64-19 record in those games.
  • Houston is 59-9 in games this season when it put up at least five runs.
  • The Astros are 32-8 in games this season when they have drawn at least five walks.

Mariners Hitting Trends

  • They are 33-10 this season when they hit two or more home runs in a game.
  • In 21 games with five or more extra-base hits this season, it has a record of 20-1.
  • In 75 games this season with eight or more hits, they have a record of 52-23.
  • Seattle has won 56 of its 64 games this season in which it scored more than four runs.
  • In 41 games this season with five or more walks drawn, they’ve posted a record of 29-12

Astros vs. Mariners Prediction

Moneyline Pick: Astros (-146)
Over/Under Pick: Under (8.5)

Predictions are calculated by a data-driven algorithm derived from offensive performance metrics and probable starting pitchers.

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