Mariners vs. Astros Prediction: MLB Betting Lines, Stats and Picks – July 9, 2023

Written By PlayPicks Staff on July 9, 2023

The Houston Astros (50-40) host the Seattle Mariners (44-44) at 2:10 PM ET on Sunday.

The Mariners are a favorite (-136) against the Astros (+115). The game’s over/under is set at 8.5.

The betting insights in what follows are based off odds valid as of July 9, 2023 at 1:13 PM ET. Ready to bet? Click here to get the best DraftKings Sportsbook deposit bonus!

Mariners vs Astros Betting Lines

Favorite Favorite Moneyline Underdog Moneyline Total
Mariners -136 +115 8.5

Mariners Betting Insights

  • The Mariners have been favorites in 57 games this season and won 31 (54.4%) of those contests.
  • Seattle is 21-16 this season when entering a game favored by -136 or more on the moneyline.
  • The Mariners have a 57.6% chance to win this game based on the implied probability of the moneyline.
  • Games involving Seattle has gone over the total set by oddsmakers in 44 of 88 chances this season.
  • The Mariners are 40-48-0 ATS in their 88 games with a spread this season.

Mariners Last 10 Games Trend

Stat Avg/Total
Record 6-4
Runs Per Game 4.9
HR 11
ERA 3.48
K/9 7.4

Astros Betting Insights

  • The Astros have been victorious in 17, or 58.6%, of the 29 contests they have been chosen as underdogs in this season.
  • Houston has a mark of 7-7 in contests where oddsmakers favor it by +115 or worse on the moneyline.
  • The moneyline set for this matchup implies the Astros have a 46.5% chance of walking away with the win.
  • Houston and its opponents have gone over in 44 of its 90 games with a total set by sportsbooks this season.
  • The Astros are 46-44-0 against the spread in their 90 games with a line set by sportsbooks this season.

Astros Last 10 Games Trend

Stat Avg/Total
Record 7-3
Runs Per Game 5.3
HR 14
ERA 4.15
K/9 9.0

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Mariners Probable Pitcher – Logan Gilbert

  • Gilbert’s team is 7-10-0 against the spread in his starts this season.
  • The right-hander did not allow a run in nine innings pitched on Tuesday in his last outing, a matchup with the San Francisco Giants.
  • Gilbert has four starts in a row of five innings or more.
  • He has finished one appearance without allowing an earned run in 17 chances this season.
  • Gilbert’s team has a record of 4-9 this season when he starts and they are the favorite on the moneyline.
  • In games Gilbert has started, his team is 8-9.
  • In Gilbert’s 17 starts with a total, the teams have hit the over eight times.

Mariners Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Matt Brash 41 35 61 3.60 8 1
Paul Sewald 36 35.1 49 3.31 0 16
Justin Topa 36 33.2 28 2.94 13 1
Gabe Speier 35 28.2 27 4.08 8 0
Tayler Saucedo 24 23 23 2.74 0 0

Astros Probable Pitcher – Brandon Bielak

  • Bielak gets the start for the Astros, his 10th of the season. He is 4-4 with a 3.81 ERA and 41 strikeouts in 54 1/3 innings pitched.
  • His last appearance came on Tuesday against the Colorado Rockies, when the right-hander went seven scoreless innings while allowing two hits.
  • Bielak heads into this matchup with seven outings of five or more innings pitched this season.
  • He has held his opponents without an earned run in one of his 10 outings this season.
  • The Astros have a 1-3 record in Bielak’s four starts this season when they were the underdog on the moneyline.
  • Over Bielak’s nine starts, his team is 4-5.
  • Bielak has started nine contests with a total set by sportsbooks this season. The teams have combined to hit the over in two of them.

Astros Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Bryan Abreu 40 42 64 2.79 15 2
Phil Maton 39 43.1 50 2.49 6 0
Héctor Neris 38 37.2 44 1.43 17 2
Ryan Pressly 37 39.1 42 2.52 0 20
Rafael Montero 35 36.1 38 6.94 5 1

Mariners Hitting Trends

  • The Mariners have put up two or more dingers in 30 games this season, and are 22-8 in those contests.
  • Seattle has collected five or more extra-base hits in 13 games this season, and has gone 12-1 in those outings.
  • The club has put up at least eight hits 54 times this season, and has a 35-19 record in those games.
  • Seattle is 41-7 in games this season when it put up five or more runs.
  • The Mariners are 24-10 in games this season when they have drawn five or more walks.

Astros Hitting Trends

  • They’ve hit two or more homers in 27 games this season and are 20-7 in those matchups.
  • Houston has gone 14-5 this season when collecting five or more extra-base hits as a team.
  • They have won 49 of the 61 games in which they’ve collected eight or more hits this season.
  • Houston has won 45 of its 52 games this season in which it scored more than four runs.
  • In 25 games this season with five or more walks drawn, they’ve posted a record of 19-6

Mariners vs. Astros Prediction

Moneyline Pick: Astros (+115)
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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