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

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

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

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 ...

Nets NRI deal from Seattle ...

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

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

One week after taking the Seattle Mariners to task in The Athletic, former MLB executive Jim Bowden shredded the team on 93.3 ...

Bryan Woo, who already had a dynamite 2024 season for the Seattle Mariners, is predicted as a further "breakout" candidate ...

The undisputable strength of the Seattle Mariners in 2024 was the starting pitching rotation. The group led the major leagues in quality starts and was the onl ...

Most of the Seattle Mariners offseason has been focused around ... around the Mariners possibly trading starting pitcher Luis Castillo in order to free up money, but the bottom line is this ...