The Mariners optioned struggling setup man Gregory Santos to Triple-A in an effort to get him back on track. Read more at MLB ...

The Seattle Mariners are in desperate need of an offensive jolt, especially with the injuries to Victor Robles and Ryan Bliss ...

ESPN's Jeff Passan addresses the Seattle Mariners reportedly turning down a trade for one of their starting pitchers, and the possibility of adding a free agent bat.

Seattle Mariners starting pitcher Luis Castillo surfaced in MLB rumors this winter when the clubs fielded inquiries on the ...

Seattle Mariners right-hander Gregory Santos is heading to Tacoma after allowing at least one run in four straight outings.

The Mariners are again looking around the infield market after a series of injuries has thinned their roster. Read more at ...

The Mariners have reportedly made pitcher Luis Castillo "off limits" in trade talks. "One club who offered a young infielder ...

On Tuesday, the Seattle Mariners provided an update on outfielder Víctor Robles, who was placed on the 10-day injured list ...

The Mariners plan to select right-hander Luis F. Castillo to start Friday’s game against the Giants, the club informed ...

The Seattle Mariners made a big roster move on Monday, activating right-handed reliever Troy Taylor from the injured list. He's missed all season because of a r ...

The Seattle Mariners recently made a shocking decision ... Crawford hasn't found himself in too many trade rumors, but with top prospect Colt Emerson quickly approaching the big leagues, this ...

The Seattle Mariners reportedly turned down a recent trade offer for starting pitcher Luis Castillo. The following came from Bob Nightengale of USA Today in his ...