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' 2025 roster needs more offense to compete for a postseason berth. Could Toronto Blue Jays shortstop Bo Bichette be a realistic target?

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

The Mariners are cornering the market on right-handed pitchers named Luis Castillo. Seattle reached a Minor League deal with 29-year-old Luis Felipe Castillo on Tuesday, a source told MLB.com’s Mark ...

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

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

FanSided's James Nolan proposed this one-for-one trade between the Mets and Mariners that sends Luis Castillo to the Mets: Mets receive: right-handed pitcher Luis Castillo Mariners receive ...

And Mariners hurler Luis Castillo is one of only seven pitchers to hit that mark every season from 2018-2024 (with the exception of the COVID-19-shortened 2020 season). Other pitchers included in ...