Ken Rosenthal reported that Boston has inquired about trading for Luis Castillo and could sign Jack Flaherty. Read more on ...

The Mariners have an opportunity to use some of their excellent starting pitching depth to improve the offense but the team ...

Interest in Castillo increased significantly after the New York Yankees signed free-agent lefty Max Fried to an eight-year, ...

Seattle Mariners pitcher Luis Castillo is a hot commodity on the offseason trade market. Ken Rosenthal of The Athletic ...

As the MLB offseason continues, a Luis Castillo trade appears to be looming large as the Mariners look to improve their offense.

A little more than two weeks until 2025 begins, the Seattle Mariners are still working to improve their major league roster.

Raley had a 3.2 bWAR (Baseball Reference WAR) and a 2.3 fWAR (FanGraphs WAR). Raley is up for pre-arbitration in 2025 and is ...

With the Houston Astros trading away Kyle Tucker on Friday, Seattle Mariners fans see this as the time for the M's to strike.

The Seattle Mariners' AL West rival added left-handed pitcher Jeffrey Springs in a trade with the Tampa Bay Rays.

The Chicago Cubs had moved through the offseason before Friday without any major high profile deals, something that changed ...

Not much has changed after the Seattle Mariners left the MLB winter meetings with the same roster needs they entered with.