The Seattle Mariners have signed another pitcher named Luis Castillo, and the most amazing part? He's also Dominican!

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 Bichette be a realistic target?

The Baltimore Orioles have some needs they must address before the start of spring training. They could use another bullpen ...

The Seattle Mariners missed out on the sweepstakes for Japanese ace Roki Sasaki. And although the Mariners whiffed on one of the best young pitchers available in the last several years ...

The Seattle Mariners acquired catcher Blake Hunt on Wednesday in a deal with the Baltimore Orioles. Hunt is an interesting player, who will likely serve as catching depth at Triple-A Tacoma.

The coaching staff of the Seattle Mariners farm system has undergone some changes in preparation for the 2025 season. The Mariners Double-A club, the Arkansas Travelers, went through a managerial ...

The Seattle Mariners and the New York Mets are looking to sign free-agent first baseman Pete Alonso. There's another player, Luis Castillo, who could satisfy the Mets' need and in hindsight the ...

FanSided's James Nolan proposed this one-for-one trade between the Mets and Mariners that sends Luis Castillo to the Mets: Mets receive: right-handed pitcher Luis Castillo Mariners receive ...

Trade: Mets receive Luis Castillo, Mariners receive Ronny Mauricio New York has an abundance of intriguing prospects, and the Seattle Mariners are rumored to be interested in trading Luis Castillo.

SEATTLE -- The Seattle Mariners acquired infielder Miles Mastrobuoni from the Chicago Cubs on Tuesday for cash. Mastrobuoni, 29, hit .194 with four RBIs in 50 games for Chicago last year.