Mariners vs. Astros Dunkel MLB Picks, Predictions and Prop Bets - May 14

The Houston Astros host the Seattle Mariners at 2:10 p.m. ET on Thursday. Luis Castillo (0-4, 6.57 ERA) gets the start for the Mariners, who are 21-23 this season and third in the AL West. Mike Burrows (2-4, 5.04 ERA) is expected to start for the Astros, who are 17-27 and fourth in the AL West.

Sportsbooks have set the Mariners as the moderate moneyline favorites (-137) on the road versus the Astros (+116). The total for the Mariners-Astros game is set at 9.

Mariners vs. Astros Odds, Game Time

• Game day: Thursday, May 14, 2026
• Game time: 2:10 p.m. ET
• Location: Houston, Texas
• Stadium: Daikin Park
• Favorite: Mariners (-137)
• Underdog: Astros (+116)
• Over/under: 9

How to Watch Mariners vs. Astros

• TV Channel: SCHN and SEAM
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Mariners vs. Astros: Betting the Moneyline

• The Mariners have compiled a 20-20 record in games they were favored on the moneyline (winning 50% of those games).
• Houston has been pegged as an underdog in 28 games this year and has walked away with the win 12 times (42.9%) in those games.
• Seattle has a record of 15-10, a 60% win rate, when favored by -137 or more by oddsmakers this season.
• The Astros have a win-loss record of 5-11 when favored by +116 or worse by sportsbooks this year.
• The Mariners have an implied moneyline win probability of 57.8% in this game.
• The Astros have an implied victory probability of 46.3% according to the moneyline set for this matchup.

Mariners vs. Astros: Betting the Spread & Total

• The Mariners have combined with opponents to hit the over on the total 19 times this season for a 19-24-1 record against the over/under.
• Houston and its opponents have hit the over in 27 of its 44 games with a total this season.
• The Mariners have a 16-28-0 record ATS this season (covering just 36.4% of the time).
• The Astros are 17-27-0 against the spread in their 44 games with a line set by sportsbooks this season.