Mariners vs Astros: the weekend series

We're just over a week away from the end of the 2025 MLB regular season, and there are still plenty of races to follow across Major League Baseball. The one that is sure to attract the most attention this weekend is the duel that will take place both on the field and in the standings between the Seattle Mariners and the Houston Astros.

The Astros will host the Mariners in a three-game series starting tonight (Friday) at Daikin Park. Seattle won its last game against the Kansas City Royals yesterday (Thursday), leaving the two rivals tied in the American League's Western Section standings with nine games to play.

The Astros and Mariners are now tied for 1st in the AL West

Next up: A three-game series between them in Houston pic.twitter.com/FTqydmtKIC

– B/R Walk-Off (@BRWalkoff) September 18, 2025

One of these two teams, who currently have a record of 84 wins against 69 losses, will win this series and have at least a one-game lead at the end of the series on Sunday, if not three games.

The likely pitchers are set for these three all-important duels. Friday's game will pit Hunter Brown for Houston against Bryan Woo for Seattle. First pitch is scheduled for 8:10 p.m. (Quebec time).

Saturday's game, starting at 7:10 p.m., will pit Framber Valdez for the Astros against George Kirby for the Mariners. Finally, Sunday's duel, also scheduled for 7:10 p.m., pits Houston's Jason Alexander against Seattle's Logan Gilbert.

Both teams will have the gunners they want on the mound over the weekend.

The other issue at stake in this series is second place in the American League, and therefore a bye into the first round of the fall dance, as the Detroit Tigers are currently just one game ahead of the Astros and Mariners.

Not to mention the fact that a sweep on either side could put the team on the wrong side of the sweep in a precarious playoff position.

If you've got a series to watch this weekend, this is it.

This content was created with the help of AI.