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 ...

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

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 ...

Nets NRI deal from Seattle ...

The San Francisco Giants starting rotation took a brutal hit at the end of November when two-time Cy Young Award winner Blake Snell signed with the rival-Los Angeles Dodgers. It was a double whammy ...

DETROIT -- Former Detroit Tigers right-hander Luis Castillo has signed a minor-league deal with the Seattle Mariners. Luis Felipe Castillo, who turns 30 in March, will be a spring training ...

With an agreement in place for Jorge Polanco to return to Seattle for the 2025 season, the Mariners’ roster is effectively set going into Dan Wilson’s first spring training as the club’s manager.

Most of the Seattle Mariners offseason has been focused around fans and media members lamenting the team's financial ...