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 ...

The Mariners are cornering the market on right-handed pitchers named Luis Castillo. Seattle reached a Minor League deal with 29-year-old Luis Felipe Castillo on Tuesday, a source told MLB.com’s Mark ...

The Seattle Mariners' 2025 roster needs more offense to compete for a postseason berth. Could Toronto Blue Jays shortstop Bo Bichette be a realistic target?

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 ...