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

Castillo came up in the Arizona Diamondbacks system and signed with the Tigers as a minor-league free agent before the 2022 ...

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

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

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

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 ...

Nets NRI deal from Seattle ...

With an agreement in place for Jorge Polanco to return to Seattle for the 2025 season, the Mariners’ roster is effectively set going into Dan Wilson’s first spring training as the club’s manager.

DETROIT -- Former Detroit Tigers right-hander Luis Castillo has signed a minor-league deal with the Seattle Mariners. Luis Felipe Castillo, who turns 30 in March, will be a spring training ...

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 ...