Over the offseason, the Mariners added Kolten Wong, Tommy La Stella, Teoscar Hernandez and AJ Pollock to their roster. Here's ...

Early in the offseason, it looked as though there was a good chance the Mariners would move one of their two candidates for ...

Seattle Mariners president Jerry Dipoto announced Wednesday that ace Luis Castillo won't pitch in the World Baseball Classic.

Luis Castillo has agreed not to play for his native Dominican Republic when the WBC returns in March, much to the relief of the major league team that made a significant investment in trading for him ...

During the Mariners' pre-spring training luncheon, there was plenty of news and updates regarding Seattle's pitching staff ...

Mariners pitchers and catcher report on the 16th with the ... have since been traded to Cincinnati in deals for Luis Castillo ...

The Mariners aren’t shying away from lofty goals entering 2023, intending to build upon their drought breakthrough ...

The Seattle Mariners made a big splash this offseason when they traded for outfielder Teoscar Hernandez from the Toronto Blue ...

Seattle Mariners starting pitcher Luis Castillo will not be pitching for the Dominican Republic in the 2023 World Baseball ...

The Seattle Mariners are set to head to spring training in Arizona carrying significant expectations of success for the ...

Mariners president of baseball operations Jerry Dipoto told reporters Wednesday that Castillo won't pitch in the World Baseball Classic for the Dominican Republic, Daniel Kramer of MLB.com reports.