Castillo came up in the Arizona Diamondbacks system and signed with the Tigers as a minor-league free agent before the 2022 season. He posted a 1.56 ERA in 34 2/3 innings at Triple-A Toledo before ...

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 ...

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

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?

while Luis Castillo, the Mariners’ starter, looks like the real deal. Castillo's solid season record and past performances against the Tigers give Seattle the upper hand. Sure, the Mariners ...

this Castillo spent the previous two seasons in Japan pitching for the Chiba Lotte Marines and then Orix Buffaloes. The reliever made three appearances with the Tigers in 2022, tossing 3.2 ...

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

Congratulations are in order for four major contributors to the Miami Marlins organization as the team announced it will ...

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 ...