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

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

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

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

As the Twins look for pitching help this offseason, they reportedly inquired about the Seattle Mariners All-Star, but he just costs too much money.

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

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

The Mariners fell one win short last season and need more offense but so far this off season they've added nobody ...