The Mariners' roster is effectively set with the return of Jorge Polanco. Here's what it means for Seattle's infield mix.

The Seattle Mariners have been shopping starting pitcher Luis Castillo this winter. Are the San Francisco Giants a realistic ...

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

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

Reds shortstop prospect Edwin Arroyo missed all of last season after suffering a shoulder injury during spring training.

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

The San Francisco Giants starting rotation took a brutal hit at the end of November when two-time Cy Young Award winner Blake ...

There's also been plenty of chatter around the Mariners possibly trading starting pitcher Luis Castillo in order to free up ...

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

Nets NRI deal from Seattle ...

Veteran hurler Luis Castillo has been the subject of trade rumors this winter. Could Seattle ship him to the Toronto Blue Jays in exchange for shortstop Bo Bichette? Castillo has been a consistent ...