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

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 for 2023.

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

Are any Mariners hitting prospects close to the big leagues? Jerry Dipoto answered that and shared a look at Bryce Miller's ...

The Seattle Mariners enjoyed a very successful 2022 season, one that saw them finally break their postseason drought of 21 ...

Teoscar Hernandez said that as the playoff pairings were being determined down the stretch of the MLB season last year, he heard talk among his team – the Toronto Blue Jays at the time – that they ...

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.