In this mock trade, the Mariners get their power bat, and the Diamondbacks get a pitching prospect in Perez (Mariners No. 21 prospect) who could be MLB-ready by next year, and another prospect in ...

When the Mariners unveiled how they’d roll out their rotation for this weekend’s huge series vs. Houston to start the second ...

The Seattle Mariners are set to begin the second half of the season against their biggest American League West rivals, the ...

Luis Castillo had his best outing of the season and rookie Ben Williamson drove in the game's only run as the Mariners eked ...

The Mariners signed Luis F. Castillo to a minor-league contract this winter after he spent the last two seasons pitching in the Japanese NPB with Chiba Lotte (2023) and Orix (2024), combining to ...

The Reds finally moved their ace, Luis Castillo, Friday night, sending the 29-year-old righty to the Seattle Mariners for a package that included Seattle’s top prospect, shortstop Noelvi Marte ...

Luis Castillo of the Seattle Mariners reacts at the end of the sixth inning during Game 1 of an AL wild-card series against the Toronto Blue Jays at Rogers Centre Oct. 7, 2022, in Toronto.