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

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 ...

Seattle Mariners All-Star Luis Castillo won't be the only player with his own name at spring training after a reported ...

There's also been plenty of chatter around the Mariners possibly trading starting pitcher Luis Castillo in order to free up ...

Nets NRI deal from Seattle ...

Nearly two weeks after declaring the Seattle Mariners 'one of the biggest losers' of the offseason, former MLB executive Jim ...

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