Astros vs. Marlins Dunkel MLB Picks, Predictions and Prop Bets - July 20

The Miami Marlins hope to stop their six-game losing run versus the Houston Astros, at 8:10 p.m. ET on Monday. Ronel Blanco (0-0, 0.00 ERA) will start for the Astros, who are 47-54 this season and third in the AL West. Janson Junk (4-5, 4.57 ERA) is starting for the Marlins, who are 52-48 and third in the NL East.

Oddsmakers have made the Astros a decent moneyline favorite (-123) at home over the Marlins (+101). The contest has a total set at 9.

Astros vs. Marlins Odds, Game Time

• Game day: Monday, July 20, 2026
• Game time: 8:10 p.m. ET
• Location: Houston, Texas
• Stadium: Daikin Park
• Favorite: Astros (-123)
• Underdog: Marlins (+101)
• Over/under: 9

How to Watch Astros vs. Marlins

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

Bet now on FanDuel Sportsbook!

Astros vs. Marlins: Betting the Moneyline

• The Astros have won 41.7% of the games this season when they were favored on the moneyline (15-21).
• Miami has been pegged as an underdog in 52 games this year and has walked away with the win 20 times (38.5%) in those games.
• This season Houston has won 10 of its 27 games, or 37%, when favored by at least -123 on the moneyline.
• This season, the Marlins have come away with a win 16 times in 42 chances when named as an underdog of at least +101 or worse on the moneyline.
• The Astros have an implied moneyline win probability of 55.2% in this matchup.
• The moneyline set for this matchup implies the Marlins have a 49.8% chance of walking away with the win.

Astros vs. Marlins: Betting the Spread & Total

• The Astros have combined with opponents to go over the total 52 times this season for a 52-43-6 record against the over/under.
• Miami and its opponents have hit the over in 52 of its 100 games with a total this season.
• The Astros have covered 48.5% of their games this season, going 49-52-0 ATS.
• In 100 games with a line this season, the Marlins have a mark of 52-48-0 against the spread.