One day after bringing in veteran right-hander Dane Dunning on a minor league deal, the Seattle Mariners have brought in ...

The Seattle Mariners were willing to listen to offers for Luis Castillo at this time last year, but the right-hander ultimately remained with Seattle. The club doesn’t intend to shop Castillo during ...

The Seattle Mariners have been busy this offseason trying to find offensive upgrades. They were able to keep Josh Naylor, but ultimately lost Jorge Polanco to the New York Mets. Now, they have to ...

Triple-A hitting coach Shawn O’Malley has reportedly left the Seattle Mariners organization and joined the Washington Nationals. The 37-year-old Washington native was listed as the Nationals’ ...

Seattle's all-time leader in wins, the pitcher sees his Hall of Fame voting numbers jump significantly, but not enough to ...

The Seattle Mariners began the winter in need of two big bats, and they have filled one-and-a-half of those spots by re-signing Josh Naylor and agreeing to terms with Rob Refsnyder on a one-year ...

Following a successful 2025 season, the Seattle Mariners saw three of their primary position players enter free agency. So far, Josh Naylor has returned to the club on a five-year, $92.5 million ...

The Mariners have done well in landing some pretty prominent players in the National Baseball Hall of Fame in recent years, a run that includes Randy Johnson, Ken Griffey Jr., Edgar Martinez and ...