Astros vs. Mariners Prediction: MLB Betting Lines, Stats and Picks – August 19, 2023

Written By PlayPicks Staff on August 19, 2023

The Seattle Mariners (67-55) bring a four-game winning streak into a home matchup versus the Houston Astros (70-53), at 7:10 PM ET on Saturday.

The Astros are a home favorite (-149) against the Mariners (+124). The game’s over/under is set at 7.5.

The betting trends in what follows reference odds valid as of August 19, 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 -149 +124 7.5

Astros Betting Insights

  • The Astros have won 49, or 55.7%, of the 88 games they’ve played as favorites this season.
  • Houston has a record of 31-15, a 67.4% win rate, when favored by -149 or more by oddsmakers this season.
  • The Astros have a 59.8% chance to win this game based on the implied probability of the moneyline.
  • Houston and its opponents have gone over the total this season in 60 of 123 opportunities.
  • The Astros are 61-62-0 against the spread this season.

Astros Last 10 Games Trend

Stat Avg/Total
Record 6-4
Runs Per Game 6.1
HR 13
ERA 3.58
K/9 7.8

Mariners Betting Insights

  • The Mariners have come away with 20 wins in the 40 contests they have been listed as the underdogs in this season.
  • Seattle has a win-loss record of 4-7 when favored by +124 or worse by oddsmakers this year.
  • Sportsbooks have implied with the moneyline set for this matchup that the Mariners have a 44.6% chance of pulling out a win.
  • Seattle and its opponents have gone over the total this season in 60 of its 122 opportunities.
  • The Mariners have posted a record of 60-62-0 against the spread this season.

Mariners Last 10 Games Trend

Stat Avg/Total
Record 7-3
Runs Per Game 5.0
HR 14
ERA 2.64
K/9 7.0

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Astros Probable Pitcher – Framber Valdez

  • Valdez’s team is 10-13-0 against the spread in his starts this season.
  • The left-hander’s last start was on Monday, when he tossed 7 2/3 innings while giving up three earned runs on six hits in a matchup with the Miami Marlins.
  • Valdez has pitched five or more innings in three straight games and will look to extend that streak.
  • He has four appearances this season with zero earned runs allowed out of his 23 chances this season.
  • Valdez’s team has won 52.4% of his starts when they are favored on the moneyline (11-10).
  • Valdez’s team has won 13 of his 23 starts this season.
  • Games started by Valdez have a 12-11-0 record at hitting the over this season.

Astros Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Bryan Abreu 55 56 81 2.25 20 4
Kendall Graveman 52 52.2 51 3.25 9 8
Héctor Neris 51 49.2 58 1.81 24 2
Ryan Pressly 50 52.1 56 2.92 0 28
Rafael Montero 49 51 57 5.47 7 1

Mariners Probable Pitcher – Logan Gilbert

  • Gilbert (10-5) takes the mound first for the Mariners in his 25th start of the season. He has a 3.80 ERA in 142 2/3 innings pitched, with 143 strikeouts.
  • The right-hander’s most recent time out was on Tuesday against the Kansas City Royals, when he threw 4 1/3 innings, surrendering four earned runs while giving up seven hits.
  • Gilbert heads into the game with 20 outings of five or more innings pitched this campaign.
  • In two of his appearances this season he has not give up an earned run.
  • The Mariners were the underdog on the moneyline for five Gilbert starts this season — they won each time.
  • Gilbert’s team has a 14-10 record in his 24 starts.
  • Gilbert has had 24 starts that oddsmakers set a total for this season, and 12 of those outings hit the over.

Mariners Relief Pitchers

Name Relief App. IP Ks ERA Holds Saves
Matt Brash 60 53 86 3.40 16 4
Justin Topa 53 49 45 2.20 19 2
Gabe Speier 50 40.2 42 3.32 13 0
Tayler Saucedo 37 38 37 2.13 2 1
Andres Munoz 34 33.1 44 2.70 12 7

Astros Hitting Trends

  • The Astros have racked up at least two homers in 41 games this season, and are 31-10 in those contests.
  • Houston has gone 19-5 in its 24 games this season with five or more extra-base hits.
  • The team has racked up eight or more hits in 83 games this season, and is 64-19 in those contests.
  • 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 have won 34 of the 44 games this season in which they hit two or more home runs.
  • Seattle has gone 20-1 this season when collecting five or more extra-base hits as a team.
  • In 76 games this season with eight or more hits, they have a record of 53-23.
  • Seattle has a 56-8 record this season when scoring five or more runs in a game.
  • They have won 29 of their 41 games this season in which they’ve drawn more than four free passes.

Astros vs. Mariners Prediction

Moneyline Pick: Astros (-149)
Over/Under Pick: Over (7.5)

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

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