The Seattle Mariners chose to DFA the seldom-used outfielder in a corresponding move to make room for Jorge Polanco.

The Mariners made another move to add bullpen depth, acquiring right-handed reliever Casey Legumina from the Reds on Monday ...

The Seattle Mariners officially announced the re-signing of Jorge Polanco plus the addition of pitcher on Monday.

The Cincinnati Reds traded from their pitching depth on Monday, sending right-hander Casey Legumina to the Seattle Mariners.

The Mariners announced that outfielder Cade Marlowe has been designated for assignment. That is the corresponding move to ...

According to the latest projection models from Baseball Prospectus, the Seattle Mariners are anticipated to be right around ...

Longtime Mariners utilityman Sam Haggerty signed a minor league deal and spring training invite with the Rangers. Read more ...

Shipped to Seattle ...

Seattle needed to free up a spot on its 40-man roster for the addition of Jorge Polanco (knee). Marlowe, 27, has slashed .240/.330/.406 with three homers and four steals over 109 plate appearances at ...

The latest update on Luis Castillo trade rumors indicates the Boston Red Sox probably won't land the Seattle Mariners ace.

In 2024, for the first time since the Obama administration, the Houston Astros did not reach the ALCS. The end of that ...

The latest MLB rumors cover how likely it is that Luis Castillo gets traded, J.D. Martinez's interest in returning to play in 2025, and more.