Astros vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 5

Odds updated as of 2:11 a.m.

MLB action on Tuesday includes the Miami Marlins facing the Houston Astros.

Before you do any MLB betting on this game at FanDuel Sportsbook, here's everything you need to know.

Marlins vs Astros Game Info

• Miami Marlins (55-56) vs. Houston Astros (63-50)
• Date: Tuesday, August 5, 2025
• Time: 6:40 p.m. ET
• Venue: loanDepot park -- Miami, Florida
• Coverage: FDSFL and SCHN

Marlins vs Astros Odds & Moneyline

• All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
• Moneyline: MIA: (-110) | HOU: (-106)
• Spread: MIA: +1.5 (-194) | HOU: -1.5 (+160)
• Total: 8.5 -- Over: (-110) | Under: (-110)

Marlins vs Astros Probable Starting Pitchers

Probable Pitchers: Cal Quantrill (Marlins) - 4-8, 4.79 ERA vs TBA (Astros)

The Marlins will give the ball to Cal Quantrill (4-8), while the Astros' starter has not yet been announced. When Quantrill starts, his team is 13-7-0 against the spread this season. Quantrill's team lost his only start as a favorite this season.

Marlins vs Astros Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Astros win (50.9%)

Marlins vs Astros Moneyline

• The moneyline numbers for Marlins vs. Astros reveal Miami as the favorite (-110) and Houston as the underdog (-106) on the road.

Marlins vs Astros Spread

• The Astros are 1.5-run favorites against the spread for this matchup with the Marlins. The Astros are +160 to cover, while the Marlins are -194 to cover as a 1.5-run underdog on the runline.

Marlins vs Astros Over/Under

• A total of 8.5 runs has been set for the Marlins-Astros contest on Aug. 5, with the over available at -110 and the under at -110.

Bet on Miami Marlins vs. Houston Astros on FanDuel today!

Marlins vs Astros Betting Trends

• The Marlins have been favorites in 13 games this season and have come away with the win five times (38.5%) in those contests.
• Miami has a record of 5-8 when favored by -110 or more this year.
• The Marlins and their opponents have hit the over in 49 of their 107 games with a total set by oddsmakers this season.
• The Marlins are 65-42-0 against the spread in their 107 games that had a posted line this season.
• The Astros have been the moneyline underdog 34 total times this season. They've gone 21-13 in those games.
• When it has played as a moneyline underdog with odds of -106 or longer, Houston has a 20-12 record (winning 62.5% of its games).
• The Astros have combined with opponents to go over the total 47 times this season for a 47-61-4 record against the over/under.
• The Astros have covered 50% of their games this season, going 56-56-0 ATS.

Marlins Player Leaders

• Kyle Stowers leads Miami in OBP (.372) and total hits (106) this season. He's batting .295 batting average while slugging .571.
• Among qualified hitters in MLB, he is 14th in batting average, 18th in on-base percentage, and fifth in slugging.
• Stowers hopes to build on a two-game hitting streak in this matchup. During his last five outings he is batting .190 with two home runs and eight RBIs.
• Otto Lopez is batting .247 with 14 doubles, 11 home runs and 35 walks, while slugging .379 with an on-base percentage of .319.
• Among qualifiers, he ranks 108th in batting average, 97th in on-base percentage and 127th in slugging percentage.
• Xavier Edwards leads Miami in slugging percentage (.359) powered by 21 extra-base hits.
• Edwards brings a two-game hitting streak into this game. In his last five games he is batting .286 with a double, two walks and two RBIs.
• Agustin Ramirez is batting .242 with a .288 OBP and 50 RBI for Miami this season.

Astros Player Leaders

• Jose Altuve has a slugging percentage of .453, a team-high for the Astros. He's batting .279 with an on-base percentage of .340.
• Including all the qualifying hitters in the majors, his batting average puts him 32nd, his on-base percentage ranks 60th, and he is 60th in slugging.
• Altuve hopes to build on a three-game hitting streak in this matchup. In his last five games he is batting .333 with a home run, a walk and three RBIs.
• Jeremy Pena paces his team with 107 hits and a .380 OBP. He has a batting average of .324 while slugging .491.
• He is second in batting average, 10th in on-base percentage and 26th in slugging percentage in the majors.
• Yainer Diaz has 16 doubles, a triple, 15 home runs and 15 walks while batting .255.
• Jesus Sanchez is hitting .256 with 14 doubles, four triples, 10 home runs and 30 walks.

Marlins vs Astros Head to Head

• 8/4/2025: 8-2 HOU (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -130, Underdog Moneyline: +110)
• 7/11/2024: 6-3 HOU (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -180, Underdog Moneyline: +152)
• 7/10/2024: 9-1 HOU (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -240, Underdog Moneyline: +198)
• 7/9/2024: 4-3 HOU (Favorite: Astros, Spread: -1.5, Total: 8.5, Favorite Moneyline: -245, Underdog Moneyline: +200)
• 8/16/2023: 12-5 HOU (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -116, Underdog Moneyline: -102)
• 8/15/2023: 6-5 HOU (Favorite: Astros, Spread: -1.5, Total: 9, Favorite Moneyline: -124, Underdog Moneyline: +106)
• 8/14/2023: 5-1 MIA (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -138, Underdog Moneyline: +118)
• 6/12/2022: 9-4 HOU (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -250, Underdog Moneyline: +205)
• 6/11/2022: 5-1 MIA (Favorite: Astros, Spread: -1.5, Total: 8, Favorite Moneyline: -310, Underdog Moneyline: +250)
• 6/10/2022: 7-4 MIA (Favorite: Astros, Spread: -1.5, Total: 7.5, Favorite Moneyline: -158, Underdog Moneyline: +134)

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