Most will defer to the Seattle Mariners pitcher—an All-Star in 2019, 2022 and 2023, and a Cy Young-caliber hurler in the most ...

The Mariners are cornering the market on right-handed pitchers named Luis Castillo. Seattle reached a Minor League deal with ...

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

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

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

The Seattle Mariners pitchers and catchers set to report to Spring Training on Feb. 12. After an offseason filled with question marks about what the Mariners in ...

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.

The Seattle Mariners are not likely to deal the three-time All-Star, but an American League Central team has been interested ...

The Seattle Mariners and the New York Mets are looking to sign free-agent first baseman Pete Alonso. There's another player, Luis Castillo, who could satisfy the Mets' need and in hindsight the ...

The Seattle Mariners entered the offseason with needs at first, second and third base ... the Mariners signed right-handed pitcher Luis F. Castillo to a minor league deal with a non-roster ...

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