Seattle Mariners vs Houston Astros MLB Recap Betting Prediction
PublishedSeptember 22, 2025,            Posted By: Maria Uebelhor
Last updated:September 22, 2025 ,

MLB Recap: Seattle Mariners vs Houston Astros – 9/21/25

On September 21, 2025, the Seattle Mariners defeated the Houston Astros 7-3 at Daikin Park. The Mariners improved their record to 86-69, holding the first place in the AL West. Logan Gilbert was the winning pitcher, delivering 6 innings with only 1 run allowed.

J.P. Crawford stood out for the Mariners, hitting a home run and driving in four runs. Cal Raleigh also contributed with a home run and two RBIs. The Astros, now 84-71, saw Jason Alexander take the loss after giving up 7 runs in just over an inning of work.

The Mariners scored all their runs in the second inning, taking a 7-0 lead. J.P. Crawford hit a home run, bringing in four runs. Cal Raleigh also hit a home run, adding two more runs for Seattle. Victor Robles contributed with an RBI as well. The Astros scored their first run in the third inning. Jose Altuve hit a double, bringing home a run. In the seventh and eighth innings, Isaac Paredes and Zach Cole each hit solo home runs. The game ended with the Mariners winning 7-3.

Logan Gilbert played a key role in the Mariners’ victory. He pitched six innings, allowing only three hits and one run. His performance earned him the win, improving his record to 5-6 with a 3.52 ERA.

On the offensive side, J.P. Crawford was a standout for the Mariners. He hit a home run and drove in four runs. Cal Raleigh also contributed with a home run, bringing in two runs for the team.

For the Astros, Jason Alexander had a tough outing. He gave up seven runs in just 1.33 innings, taking the loss and moving his record to 4-1. Despite the loss, Jose Altuve managed two hits and an RBI, providing some bright moments for the Astros.

What’s Next

The Mariners’ win over the Astros strengthens their hold on the top spot in the West. With a record of 86-69, they are first in the division. This win gives them a slight edge over the Astros, who are now 84-71 and sit in second place. This game was important for both teams in their head-to-head meetings. The Mariners have a slight advantage in the standings. As the season nears its end, each game becomes more important for securing playoff positions.

The Seattle Mariners will start a new series against the Colorado Rockies. This series will be played at T-Mobile Park. The first game is on Tuesday, September 23, 2025, at 9:40 PM. The Mariners will continue this homestand with games against the Rockies on Wednesday and Thursday. They will then face the Los Angeles Dodgers on Friday and Saturday.

The Houston Astros will begin a series against the Athletics at Sutter Health Park. Their first game is on Tuesday, September 23, 2025, at 10:05 PM. The Astros will play two more games against the Athletics on Wednesday and Thursday. Following that, they will travel to face the Los Angeles Angels on Friday and Saturday.

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.