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

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

With their rotation looking thin, they’re eyeing trade options, and one name that keeps coming up is Seattle Mariners pitcher Luis Castillo. Adding Castillo could be a great move, but it won’t ...

The Seattle Mariners traded for Luis Castillo at the 2022 deadline with the hope he’d be the Cy Young candidate he was in the National League. Castillo showed well that year en route to a playoff ...