The Seattle Mariners traded right-hander Luis F. Castillo – not to be confused with three-time All-Star Luis Castillo – after designating him for assignment.

ESPN released new MLB power rankings, and the AL West-leading Seattle Mariners jumped. Their standing is still a bit underwhelming, though.

Through 22 games played for the Seattle Mariners this season, Jorge Polanco has been a revelation at the plate. After hitting ...

It's been a while since baseball has undergone an offensive revolution, but the Seattle Mariners' style may be signaling one coming to MLB.

Yahoo Sports' Jordan Shusterman explains why Seattle Mariners CF Julio Rodríguez's hot streak could come sooner than years past.

The banged-up Seattle Mariners are getting one of their regular players and best early-season contributors back from the 10-day IL.

The Seattle Mariners are all but guaranteed to add a blue-chip prospect to their already-stacked farm system when the 2025 MLB Draft arrives on July 13 in Atlan ...

This story was excerpted from Daniel Kramer’s Mariners Beat newsletter. To read the full newsletter, click here. And ...

The Mariners president of baseball operations said the team is optimistic both Logan Gilbert and George Kirby will return in ...

The American League is the "land of opportunity," ESPN's Buster Olney says, and that's especially good for the Seattle Mariners.

The ace of the Seattle Mariners starting rotation could be closer to a return than originally expected. Logan Gilbert was ...