The mistake is not fixable under MLB's replay rules because catch/not catch is not reviewable if the play happens in the ...

Castillo battled through five laborious innings for the M's on Sunday against the Toronto Blue Jays, earning the win, but ...

The Seattle Mariners have made a massive announcement regarding pitcher Logan Gilbert ahead of Saturday's game against the ...

The Seattle Mariners and manager Dan Wilson will be without another starting pitcher for the foreseeable future. Logan ...

"I spent five years here, and being able to pitch here on that mound again was special," Castillo said Tuesday night.

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Castillo struggled against the Cincinnati Reds, going just 4.1 innings and giving up six earned runs. Unfortunately, this ...

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

Seattle is looking to upgrade its lineup, but is not currently interested in trading from its vaunted rotation to do so. Read ...

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