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

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

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.

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

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

According to recent reports, the Seattle Mariners continue to be involved in at least lukewarm trade talks involving starting pitcher Luis Castillo. The prevailing thought has been that if the M's ...