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 ...

Luis Castillo’s name has swirled in trade rumors for much of the offseason, as since Castillo is far and away the priciest member of the Mariners’ rotation, Seattle has at least been more open ...

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

Luis Castillo has been tied to trade rumors since the offseason began. According to various reports, Seattle was ready to trade him to the Boston Red Sox in return for first baseman Triston Casas ...

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.

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