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

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

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 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 ...

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

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

Per a report from MLB Network insider Jon Heyman, the Mariners signed right-handed pitcher Luis F. Castillo to a minor league deal with a non-roster Spring Training invitation attached.

Ask baseball fans, as a thought exercise, to describe who they think of when they hear the name "Luis Castillo." Most will defer to the Seattle Mariners pitcher—an All-Star in 2019, 2022 and ...

The baseball season is inching closer with pitchers and catchers reporting to spring training in just three weeks. While that ...

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.

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 ...