The Mariners signed former Tigers right-hander Luis F. Castillo to a minor league contract and spring invite. Read more at ...

Luis Castillo’s name has swirled in trade rumors for much of the offseason, as since Castillo is far and away the priciest member of the Mariners’ rotation, Seattle has at least been more open ...

There's also been plenty of chatter around the Mariners possibly trading starting pitcher Luis Castillo in order to free up money, but the bottom line is this: The M's can't trade Castillo ...

FanSided's James Nolan proposed this one-for-one trade between the Mets and Mariners that sends Luis Castillo to the Mets: Mets receive: right-handed pitcher Luis Castillo Mariners receive ...

And Mariners hurler Luis Castillo is one of only seven pitchers to hit that mark every season from 2018-2024 (with the exception of the COVID-19-shortened 2020 season). Other pitchers included in ...