The Seattle Mariners take on the Houston Astros on Saturday, September 20, 2025, at 7:10 PM. The game is set at Daikin Park in Houston, TX. The Mariners lead the division with a record of 85-69, while the Astros are close behind at 84-70.

Mariners vs. Astros Betting Prediction

• Money Line Prediction: Seattle Mariners at -105. The Mariners have a strong recent record, winning 9 of their last 10 games. They also won their last game against the Astros 4-0, showing solid form on the road.
• Over/Under Prediction: Under 8.0 at -119. Both teams have shown solid pitching recently, with the Mariners shutting out the Astros in their last game. The Astros’ recent games have also seen lower scores.

Team Trends

• The Seattle Mariners have a strong recent performance with a 9-1 record in their last 10 games.
• The Houston Astros have a good home record, winning 46 of their 79 home games this season.
• Seattle Mariners’ manager is Dan Wilson, and their pitching coach is Pete Woodworth.
• Houston Astros’ manager is Joe Espada, and they have two hitting coaches: Alex Cintron and Troy Snitker.
• In their last game, the Mariners defeated the Astros 4-0, with Bryan Woo pitching 5 scoreless innings.

Mariners vs Astros Preview

The Seattle Mariners are set to play the Houston Astros at Daikin Park. The Mariners have a strong lead in the division with a record of 85-69. They are on a two-game winning streak and have won nine of their last ten games. This momentum gives them an edge as they face a close competitor in the Astros.

On the mound, the Mariners will start George Kirby. Kirby has a 4.46 ERA and a 9-7 record this season. The Astros will counter with Framber Valdez, who has a 3.59 ERA and a 12-10 record. The game will be played under a retractable roof due to the weather forecast of light rain and high temperatures.

Astros Ready to Shine with Strong Lineup and Solid Pitching

The Houston Astros have a solid lineup, with Jeremy Peña leading the charge. Peña has played 124 games and holds a batting average of .303. He ranks first on the team in runs, with 67. Christian Walker stands out with his power, leading the team in home runs with 23. Walker has played 147 games and has driven in 82 runs. His batting average is .233, but he makes up for it with his power hitting. Framber Valdez is set to start on the mound for the Astros. Valdez has an ERA of 3.59 and a WHIP of 1.22 this season. With 12 wins, he is a reliable option for the Astros in this game.

Mariners Look to Make Waves with Balanced Attack

The Seattle Mariners have a strong lineup, with Cal Raleigh leading in home runs. Raleigh has hit 56 home runs, ranking first in the league. He also leads the team in runs with 104 and RBIs with 118. Eugenio Suárez is another key player for the Mariners. Suárez has played 151 games with a batting average of .228. He has hit 47 home runs, ranking fifth in the league. On the mound, George Kirby will start for the Mariners. Kirby has an ERA of 4.46 and a WHIP of 1.23 this season. He has secured 9 wins and 7 losses, making him a solid choice for this game.

Final Betting Pick

The Seattle Mariners are in great form, winning 9 of their last 10 games. Their recent 4-0 win against the Astros shows their strong performance on the road. With a road record of 37-42, they have shown they can win away from home.

The under 8.0 prediction looks solid given the recent pitching performances. The Mariners’ pitching has been strong, as seen in their shutout against the Astros. With both teams having solid pitching stats, a low-scoring game is likely.

All odds are courtesy of Action247 Sportsbook. Good luck!!

* All odds are provided by Action247 Sportsbook and all odds subject to change. **All views expressed are my own. My picks are my own and are not a guarantee, bet at your own risk. Action247 does not warrant the accuracy of completeness of the information, text, graphics, links or other items contained within these post.