Mastrobuoni will start at second base and bat eighth in Wednesday's game against the Astros. Mastrobuoni will pick up his second start of the season, filling in at the keystone after the Mariners ...

Castillo is scheduled to make his next start Wednesday versus the Astros in Seattle, Matt Kawahara of the Houston Chronicle reports.

A look at five things that stood out after the Seattle Mariners opened their 2025 season with a 3-4 homestand against the Athletics and Tigers.

From the depths of despair, the Mariners pulled out one of their most unlikely victories in recent memory on Wednesday ...