Miami Marlins vs Houston Astros Betting Pick & Prediction for 7/21

MLB game preview

The Miami Marlins will visit the Houston Astros for an MLB regular season game at Daikin Park. The Marlins are looking to snap their seven-game losing streak. They have a season record of 52-49 and sit third in the NL East division.

The Astros, with a 48-54 record, are also third in their division, the AL West. They aim to build on their recent win. Tyler Phillips will start for the Marlins, while Tatsuya Imai takes the mound for the Astros. The game is set for Tuesday, July 21, 2026, at 8:10 PM in Houston.

Miami Marlins Team Preview

The Miami Marlins have faced challenges in their recent games. They lost five straight games, including a close one against the Brewers, ending 2-1. Their batting lineup has shown potential, collecting multiple hits in each game, but they have struggled to convert these into wins.

In terms of hitting, the Marlins have a team batting average of .252, ranking them 7th in the league. Otto Lopez and Liam Hicks have been key players in their lineup. Lopez boasts a .335 batting average, while Hicks has contributed with 14 home runs.

Pitching for the Marlins has been a mix of performances. Tyler Phillips is the probable starting pitcher with a 3.48 ERA for the season. The team has a strong batting average against of .228, showing they can limit opponents’ hits, but they have given up 97 home runs, ranking 2nd in the league.

Marlins vs Astros Game Day Info

  • Sport: MLB
  • Teams: Miami Marlins vs. Houston Astros
  • Venue: Daikin Park in Houston, TX
  • Date: Tuesday, July 21, 2026
  • Betting Odds: Marlins Moneyline +109, Astros Moneyline -130

Houston Astros Team Preview

The Houston Astros have had a challenging stretch of games recently. They have lost four of their last five games, including a close 6-5 loss against the Texas Rangers. The Astros managed to secure a victory against the Miami Marlins with an 8-5 win, hitting three home runs in that game.

Yordan Alvarez is a key player for the Astros. He leads the team with a .324 batting average and has hit 33 home runs this season. Alvarez’s performance is crucial, especially since the team ranks 15th in batting average and 14th in on-base percentage.

The Astros’ pitching has had its struggles, with a 4.77 ERA ranking them 25th in the league. Tatsuya Imai, their probable starting pitcher, has a 6.06 ERA this season. Despite this, the team has managed to keep opponents’ batting average to .239, which is 10th best in the league.

BTB Betting Pick

The Astros are favored to win with a moneyline of -130 against the Marlins at +109. The Astros have a stronger pitching lineup with a 4.01 ERA, ranking 10th, and a batting average against of .228, ranking 4th. The Marlins’ pitching ranks lower with a 4.77 ERA. Thus, the pick is the Astros to win the game.

The total for the game is set at 8.5 runs. The Astros have allowed fewer home runs (97) than the Marlins (139), suggesting a tighter game. With both teams having similar slugging percentages around .409, the projected score may stay under 8.5. Therefore, the recommendation is to take the under at 8.5 (+103).