Monday's contest that pits the Seattle Mariners (84-71) versus the Houston Astros (85-71) at T-Mobile Park should be a close matchup based on our computer prediction, which projects a final score of 5-3 in favor of the Mariners. Game time is at 9:40 PM ET on September 25.

The probable pitchers are Luis Castillo (14-7) for the Mariners and Justin Verlander (11-8) for the Astros.

Astros vs. Mariners Game Info & Odds

  • When: Monday, September 25, 2023 at 9:40 PM ET
  • Where: T-Mobile Park in Seattle, Washington
  • How to Watch on TV: ROOT Sports NW
  • Live Stream: Watch this game on Fubo!

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Astros vs. Mariners Score Prediction

Our prediction for this matchup is Mariners 5, Astros 4.

Total Prediction for Astros vs. Mariners

  • Total Prediction: Over 7.5 runs

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Explore More About This Game

Astros Performance Insights

  • Over the past 10 games, the Astros have been named underdog just one time and came away with a win in that contest.
  • In its last 10 games with an over/under, Houston and its opponents have combined to eclipse the total five times.
  • The Astros are 1-1-0 against the runline over their past 10 contests (two of those games had a runline set by oddsmakers).
  • The Astros have won in 22, or 62.9%, of the 35 contests they have been named as odds-on underdogs this year.
  • Houston has a win-loss record of 13-10 when favored by +105 or worse by sportsbooks this year.
  • The Astros have an implied victory probability of 48.8% according to the moneyline set by oddsmakers for this matchup.
  • Houston scores the fifth-most runs in baseball (801 total, 5.1 per game).
  • Astros pitchers have a combined ERA of 4.01 ERA this year, 10th-best in baseball.

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Astros Schedule

Date Opponent Score Pitching Matchup
September 19 Orioles L 9-5 Hunter Brown vs Kyle Gibson
September 20 Orioles W 2-1 Cristian Javier vs Kyle Bradish
September 22 Royals L 7-5 Framber Valdez vs Cole Ragans
September 23 Royals L 3-2 J.P. France vs Jordan Lyles
September 24 Royals L 6-5 Hunter Brown vs Steven Cruz
September 25 @ Mariners - Justin Verlander vs Luis Castillo
September 26 @ Mariners - Cristian Javier vs George Kirby
September 27 @ Mariners - Framber Valdez vs Bryce Miller
September 29 @ Diamondbacks - J.P. France vs Zac Gallen
September 30 @ Diamondbacks - Hunter Brown vs Merrill Kelly
October 1 @ Diamondbacks - Justin Verlander vs Zach Davies