Astros vs. Mariners Dunkel MLB Picks, Predictions and Prop Bets - Aug. 16

The Houston Astros and Seattle Mariners square off on Sunday at 7:20 p.m. ET at Daikin Park, attempting to break a 1-1 series tie. Hunter Brown (3-2, 3.68 ERA) will start for the Astros, who are 63-61 this season and first in the AL West. Bryan Woo (8-8, 4.15 ERA) is the expected starter for the Mariners, who are 58-66 and third in the AL West.

With the Mariners (+108) visiting, the Astros (-122) are a solid favorite on the moneyline. The game has an over/under set at 8 runs.

Astros vs. Mariners Odds, Game Time

• Game day: Sunday, August 16, 2026
• Game time: 7:20 p.m. ET
• Location: Houston, Texas
• Stadium: Daikin Park
• Favorite: Astros (-122)
• Underdog: Mariners (+108)
• Over/under: 8

How to Watch Astros vs. Mariners

• TV Channel: NBC/Peacock
• Live Stream: Fubo (Watch for free)

Bet now on FanDuel Sportsbook!

Astros vs. Mariners: Betting the Moneyline

• The Astros have gone 25-25 in games they were listed as the moneyline favorite (winning 50% of those games).
• Seattle has been victorious in eight, or 34.8%, of the 23 contests it has been chosen as underdogs in this season.
• Houston has a record of 19-21 in games when sportsbooks favor them by at least -122 on the moneyline.
• This year, the Mariners have won three of eight games when listed as at least +108 or worse on the moneyline.
• The Astros have an implied moneyline win probability of 55% in this contest.
• The Mariners have an implied victory probability of 48.1% according to the moneyline set for this matchup.

Astros vs. Mariners: Betting the Spread & Total

• The Astros have had an over/under set by oddsmakers 124 times, and have combined with opponents to go over the total in 66 of those games (66-51-7).
• Seattle and its opponents have gone over the total this season in 60 of its 124 opportunities.
• The Astros have covered 51.6% of their games this season, going 64-60-0 ATS.
• The Mariners are 45-79-0 against the spread in their 124 games that had a posted line this season.