Luis Castillo’s name has swirled in trade rumors for much of the offseason, as Castillo is far and away the priciest member of the Mariners’ rotation.

A trade market has developed for Luis Castillo this offseason as a number of teams have shown interest in acquiring the veteran pitcher. While the Mariners are intrigued by a potential trade ...

The Seattle Mariners have signed another pitcher named Luis Castillo, and the most amazing part? He's also Dominican!

After the Chicago White Sox traded starting pitcher Garrett Crochet to the Boston Red Sox, Seattle Mariners starting pitcher Luis Castillo popped up in MLB rumors. While Seattle is setting a high ...

About 2.5 years ago, the Seattle Mariners acquired starting pitcher Luis Castillo from the Cincinnati Reds for a package of prospects highlighted by Noelvi Marte, who was the Mariners' top prospect.

The Seattle Mariners are reportedly listening to offers for their starting pitcher Luis Castillo if the deal will improve their big league roster for a 2025 World Series push. While there are ...

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 ...

Luis Castillo is owed about $24MM in each of the next three seasons. The Mariners have a pitching surplus and desire to improve their lineup on a limited budget. To me, that sounds like a perfect ...

Per Seattle Times writer Adam Jude, the Seattle Mariners roster is now set and a trade involving the three-time All-Star starting pitcher isn't as likely as it was earlier in the winter.