Mariners vs. Astros Dunkel MLB Picks, Predictions and Prop Bets - May 11

The Seattle Mariners and Houston Astros square off in the first of a four-game series on Monday at Daikin Park, at 8:10 p.m. ET. George Kirby (4-2, 2.94 ERA) will start for the Mariners, who are 19-22 this season and third in the AL West. Peter Lambert (2-2, 2.42 ERA) is expected to start for the Astros, who are 16-25 and fifth in the AL West.

The Mariners are currently a moderate moneyline favorite (-142) on the road at the Astros (+119). The contest has a total set at 8.5.

Mariners vs. Astros Odds, Game Time

• Game day: Monday, May 11, 2026
• Game time: 8:10 p.m. ET
• Location: Houston, Texas
• Stadium: Daikin Park
• Favorite: Mariners (-142)
• Underdog: Astros (+119)
• Over/under: 8.5

How to Watch Mariners vs. Astros

• TV Channel: Fox Sports 1, SCHN and SEAM
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Mariners vs. Astros: Betting the Moneyline

• The Mariners have won 48.6% of the games this season when they were favored on the moneyline (18-19).
• Houston has won in 11, or 44%, of the 25 contests it has been named as odds-on underdogs in this year.
• Seattle has entered 14 games this season favored by -142 or more and is 8-6 in those contests.
• The Astros have a mark of 4-9 in contests where sportsbooks favor them by +119 or worse on the moneyline.
• Based on this contest's moneyline, the Mariners have an implied win probability of 58.7%.
• Oddsmakers have implied with the moneyline set for this matchup that the Astros have a 45.7% chance of pulling out a win.

Mariners vs. Astros: Betting the Spread & Total

• The Mariners have played in 41 games with an over/under set, and have combined with their opponents to go over the total 18 times (18-22-1).
• So far this season, Houston and its opponents have hit the over in 26 of its 41 games with a total.
• The Mariners have collected a 14-27-0 record ATS this season.
• The Astros have an against the spread record of 16-25-0 in 41 games with a line this season.