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Marlins vs Astros Prediction 8/6/25 MLB Picks Today

Houston Astros (64-50) vs. Miami Marlins (55-57)
August 6, 2025 4:40 pm EDT
The Line: Miami Marlins -108 / Houston Astros -112; Over/Under: 8.5
(Get latest betting odds)

In this article we will formulate a Marlins vs Astros prediction for this MLB game on Wednesday, August 6th at loanDepot park in Miami, Florida. Let’s take a look at the prediction for this MLB matchup. 

Miami Marlins Betting Preview

The Miami Marlins are 55-57 this year after they lost the first two games in this series by scores of 2-8 and 3-7. In their game two loss, Miami cut the deficit to 2-1 in the second inning, but allowed the next five runs in the game for the defeat. The Marlins recorded five hits in the game and they were led by Marsee, who went 2-2 with one home run and two RBIs in the loss. Miami started Quantrill, who allowed nine hits and seven earned runs over 4.1 innings for the loss, while Bellozo allowed zero earned runs in 3.2 relief innings. 

Prior to this series, the Marlins won all three against the Yankees and two out of three against the Cardinals. Miami has won five of their last seven games and they are currently third in the NL East standings. The Miami pitching staff has a 4.43 ERA with a 1.30 WHIP and a .249 opponent batting average, while the offense has scored 480 runs with a .251 batting average and a .314 on base percentage this season. Kyle Stowers has led Miami with 25 home runs and 71 RBIs, while Agustin Ramirez has added 17 home runs and 50 RBIs this year. The projected starting pitcher for Miami is Janson Junk, who is 5-2 with a 3.86 ERA and a 1.10 WHIP over 65.1 innings pitched this year. 

Houston Astros Betting Preview

The Houston Astros are 64-50 this season after they won game two by a score of 7-3 on Tuesday night. Houston jumped out to a 2-0 lead in the first inning and they led the whole way for the nice win. The Astros recorded 12 hits in the game and they were led by Diaz, who went 1-4 with one home run and three RBIs in the win. Houston started Okert, who allowed one earned run in 1.2 innings, while Blubaugh allowed two earned runs and picked up the loss in relief. 

Prior to this series, the Astros lost all three against the Red Sox, but did win two out of three against the Nationals before that. Houston has lost three of their last five games and they are currently first in the AL West standings. The Houston pitching staff has a 3.69 ERA with a 1.19 WHIP and a .229 opponent batting average, while their offense has scored 493 runs with a .257 batting average and a .322 on base percentage this season. Jose Altuve has led Houston with 19 home runs and 59 RBIs, while Yanier Diaz has added 16 home runs and 50 RBIs this year. The projected starting pitcher for Houston is Spencer Arrighetti, who is 1-1 with a 5.59 ERA and a 0.93 WHIP over 9.2 innings pitched this season. 

Why the Marlins will beat the Astros

  • The Marlins have won five of their last six games as underdogs following a home loss.
  • The Astros have lost 13 of their last 18 games as favorites.
  • The Marlins have covered the run line each of their last 11 day games against American League opponents that held a winning record.
  • The Astros have failed to cover the run line in 14 of their last 18 games as favorites.
  • The Astros have trailed after 5 innings in seven of their last eight day games against opponents that held a losing record.
  • The Marlins have led after 3 innings in eight of their last 10 day games against opponents that held a winning record.

Why the Astros will beat the Marlins

  • The Astros have won each of their last eight road games against National League opponents.
  • The Marlins have lost each of their last six games against the Astros following a loss.
  • The Astros have covered the run line in each of their last eight road games against National League opponents.
  • The Marlins have failed to cover the run line in each of their last six games against the Astros following a loss.
  • The Astros have led after 5 innings in each of their last seven games against NL East opponents.
  • The Marlins have trailed after 3 innings in nine of their last 10 games as underdogs against AL West opponents.
  • The Astros have won the first inning in each of their last eight Wednesday games against NL East opponents.

Total Runs Facts

  • Each of the Astros’ last four games against NL East opponents have gone OVER the total runs line.
  • Each of the Marlins’ last four games as underdogs against American League opponents have gone OVER the total runs line.
  • The ‘Inning 1 OVER 0.5 runs’ market has hit in each of the Astros’ last eight Wednesday games against NL East opponents.
  • The ‘Inning 1 OVER 0.5 runs’ market has hit in five of the last six games between the Astros and Marlins.

Miami Marlins Player Prop Facts

  • Kyle Stowers has hit a home run in two of the Marlins’ last three games as underdogs.
  • Kyle Stowers has recorded at least one hit in each of his five previous appearances in day games against AL West teams that held a winning record.

Houston Astros Player Prop Facts

  • Yainer Diaz has hit a home run in each of the Astros’ last three games against opponents that held a losing record.
  • Jeremy Pena has recorded at least one Double in three of his last four road appearances against NL opponents.
  • Jose Altuve has recorded at least one hit in each of his last 14 road appearances after playing the previous day.

Marlins vs Astros Prediction 

Miami is two games below .500 right now and they are staring at a possible sweep, but they have played very well over the last few weeks. The Marlins are 27-31 at home this year, while the Astros are 29-26 on the road. Houston has scored 15 runs in the first two games of this series and they will face Junk, who has allowed 6, 3, and 4 earned runs in his last three starts. Houston is starting Arrighetti, who is making his first appearance since April due to injury. I don’t trust either starter here and I like the over. 

David Racey's Free Pick: Over 8.5

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David Racey

David started writing about sports in 2015, but sports has been his passion for as long as he can remember. David spends most of his free time watching pretty much anything sports related from Baseball to Tennis and everything in between. David likes to analyze statistics and recent results to form an unbiased opinion on whatever game he is breaking down. Follow David on Twitter at @itsyerboi41

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