A graph shared on social media highlighted the consistency of the Seattle Mariners multi-time All-Star hurler.

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.

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

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 have been shopping starting pitcher Luis Castillo this winter. Are the San Francisco Giants a realistic ...

The Mariners' roster is effectively set with the return of Jorge Polanco. Here's what it means for Seattle's infield mix.