The latest update on Luis Castillo trade rumors indicates the Boston Red Sox probably won't land the Seattle Mariners ace.

The Seattle Mariners have a little over a week until pitchers and catchers report to spring training in Peoria, Ariz. And ...

Seattle considered multiple trade offers for veteran starter Luis Castillo this offseason. Here's why Jerry Dipoto and the ...

With spring training drawing near, the Mariners are less likely to trade righty Luis Castillo than they were earlier this ...

The Seattle Mariners have agreed to bring infielder Jorge Polanco back into the mix pending a physical, per Ken Rosenthal of ...

Throughout the winter, the Mariners fielded multiple trade offers for veteran right-hander Luis Castillo that Jerry Dipoto ...

Throughout the winter, the Mariners fielded multiple trade offers for veteran right-hander Luis Castillo that Jerry Dipoto ...

The Seattle Mariners had an uncharacteristically slow offseason in the lead up to the 2025 season. The team entered the break ...

The Twins checked in on Luis Castillo, but the Mariners don't appear to be trading the ace anywhere. Visit MLB Trade Rumors ...

The Mariners announced that outfielder Cade Marlowe has been designated for assignment. That is the corresponding move to ...

Here now are Saturday's hot stove happenings. With spring training drawing near, the Mariners are less likely to trade righty Luis Castillo than they were earlier this offseason, according to ...

After a lot of offseason rumors and speculation, the Seattle Mariners roster is effectively set. The Mariners pitchers and catchers will report to Spring Train ...