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Astros vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 6

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Astros vs Marlins Prediction, Odds, Moneyline, Spread & Over/Under for Aug. 6

Odds updated as of 4:15 a.m.

The Houston Astros versus the Miami Marlins is on the MLB schedule for Wednesday.

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

Astros vs Marlins Game Info

  • Houston Astros (64-50) vs. Miami Marlins (55-57)
  • Date: Wednesday, August 6, 2025
  • Time: 4:40 p.m. ET
  • Venue: loanDepot park -- Miami, Florida
  • Coverage: FDSFL and SCHN

Astros vs Marlins Odds & Moneyline

  • All MLB odds, betting lines and prop bets are available on FanDuel Sportsbook.
  • Moneyline: HOU: (-110) | MIA: (-106)
  • Spread: HOU: -1.5 (+150) | MIA: +1.5 (-182)
  • Total: 8.5 -- Over: (-100) | Under: (-122)

Astros vs Marlins Probable Starting Pitchers

Probable Pitchers: Spencer Arrighetti (Astros) - 1-1, 5.59 ERA vs Janson Junk (Marlins) - 5-2, 3.86 ERA

The probable starters are Spencer Arrighetti (1-1) for the Astros and Janson Junk (5-2) for the Marlins. Arrighetti has a record of 0-2-0 ATS in two starts with a spread this season. Arrighetti's team won his only start as a favorite this season. The Marlins are 6-1-0 ATS in Junk's seven starts that had a set spread. The Marlins have been the moneyline underdog in seven of Junk's starts this season, and they went 5-2 in those matchups.

Astros vs Marlins Prediction & Pick

All MLB win probability predictions and picks are according to numberFire.
Prediction: Marlins win (55.6%)

Astros vs Marlins Moneyline

  • Houston is a -110 favorite on the moneyline, while Miami is a -106 underdog at home.

Astros vs Marlins Spread

  • The Astros are 1.5-run road favorites on the runline against the Marlins. The Astros are +150 to cover, and the Marlins are -182.

Astros vs Marlins Over/Under

  • The over/under for the Astros versus Marlins game on Aug. 6 has been set at 8.5, with -100 odds on the over and -122 odds on the under.

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

Astros vs Marlins Betting Trends

  • The Astros have been favorites in 77 games this season and have come away with the win 41 times (53.2%) in those contests.
  • This season Houston has come away with a win 41 times in 77 chances when named as a favorite of at least -110 on the moneyline.
  • The Astros and their opponents have hit the over in 48 of their 113 games with a total set by oddsmakers this season.
  • The Astros are 57-56-0 against the spread in their 113 games that had a posted line this season.
  • The Marlins have won 46 of the 93 games they were the moneyline underdog this season (49.5%).
  • Miami is 45-46 (winning 49.5% of its games) when playing as a moneyline underdog of -106 or longer.
  • The Marlins have played in 108 games with an over/under set, and have combined with their opponents to go over the total 50 times (50-58-0).
  • The Marlins have covered 60.2% of their games this season, going 65-43-0 ATS.

Astros Player Leaders

  • Jose Altuve leads Houston with a slugging percentage of .461, fueled by 37 extra-base hits. He has a .281 batting average and an on-base percentage of .343.
  • Among all qualifying hitters in MLB, his batting average ranks 26th, his on-base percentage ranks 53rd, and he is 53rd in slugging.
  • Altuve has recorded at least one hit in four games in a row. During his last five outings he is hitting .238 with a home run, two walks and two RBIs.
  • Jeremy Pena leads the Astros in OBP (.378) and total hits (108) this season. He's batting .322 while slugging .493.
  • His batting average ranks second among qualified players, his on-base percentage 12th, and his slugging percentage 25th.
  • Pena brings a two-game streak with at least one hit into this matchup. During his last five outings he is hitting .300 with two doubles, a triple, a walk and three RBIs.
  • Yainer Diaz has 98 hits this season and has a slash line of .255/.284/.426.
  • Diaz takes a two-game hitting streak into this matchup. In his last five games he is batting .300 with two doubles, a home run and six RBIs.
  • Jesus Sanchez is batting .258 with a .321 OBP and 37 RBI for Houston this season.
  • Sanchez has hit safely in three straight games. In his last five games he is batting .300 with three doubles, a walk and an RBI.

Marlins Player Leaders

  • Kyle Stowers has totaled 106 hits with a .370 on-base percentage, leading the Marlins in both categories. He's batting .293 and slugging .566.
  • Including all the qualified hitters in the majors, he is 14th in batting average, 18th in on-base percentage and fifth in slugging percentage.
  • Otto Lopez is batting .244 with 14 doubles, 11 home runs and 35 walks. He's slugging .375 with an on-base percentage of .316.
  • He is currently 113th in batting average, 105th in on-base percentage and 132nd in slugging percentage among all qualified hitters.
  • Xavier Edwards has racked up a slugging percentage of .356, a team-high for the Marlins.
  • Agustin Ramirez is hitting .239 with 24 doubles, a triple, 17 home runs and 23 walks.

Astros vs Marlins Head to Head

  • 8/5/2025: 7-3 HOU (Favorite: Marlins, Spread: -1.5, Total: 8.5, Favorite Moneyline: -108, Underdog Moneyline: -108)
  • 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)

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