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

The Houston Astros and Seattle Mariners square off on Friday at 8:10 p.m. ET, opening a three-game series at Daikin Park. Peter Lambert (8-6, 3.09 ERA) will start for the Astros, who are 62-60 this season and first in the AL West. George Kirby (8-9, 3.68 ERA) is starting for the Mariners, who are 57-65 and third in the AL West.

At home, the Astros are favored to win on the moneyline (-125) over the Mariners (+105). The over/under in this contest is set at 8.5.

Astros vs. Mariners Odds, Game Time

• Game day: Friday, August 14, 2026
• Game time: 8:10 p.m. ET
• Location: Houston, Texas
• Stadium: Daikin Park
• Favorite: Astros (-125)
• Underdog: Mariners (+105)
• Over/under: 8.5

How to Watch Astros vs. Mariners

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

Bet now on FanDuel Sportsbook!

Astros vs. Mariners: Betting the Moneyline

• The Astros have gone 24-24 in games they were listed as the moneyline favorite (winning 50% of those games).
• Seattle has come away with seven wins in the 21 contests it has been listed as the underdogs in this season.
• Houston is 18-19 this season when entering a game favored by -125 or more on the moneyline.
• This season, the Mariners have come away with a win three times in nine chances when named as an underdog of at least +105 or worse on the moneyline.
• Based on this contest's moneyline, the Astros have an implied win probability of 55.6%.
• The moneyline set for this matchup implies the Mariners have a 48.8% chance of coming away with a victory in the contest.

Astros vs. Mariners: Betting the Spread & Total

• In the 122 games in which oddsmakers have set an over/under for the Astros, they have combined with opponents to go over the total 64 times (64-51-7).
• Seattle and its opponents have hit the over in 58 of its 122 games with a total this season.
• The Astros have gone 63-59-0 against the spread this season.
• The Mariners are 44-78-0 against the spread in their 122 games that had a posted line this season.