Robinson Cano, who spent five mostly successful seasons with the Seattle Mariners, will try to help Leones del Escogido win the Caribbean Series, which begins Jan. 31.

It's been a tough offseason for the Seattle Mariners and their fans. After missing the playoffs by just one game in 2024, the M's have done virtually nothing to

MLB Network insider Jon Morosi noted that the Seattle Mariners have shown interest in the eight-time All-Star, but there were a few caveats.

Nearly two weeks after declaring the Seattle Mariners 'one of the biggest losers' of the offseason, former MLB executive Jim Bowden took the team to task on Sea

The Mariners are cornering the market on right-handed pitchers named Luis Castillo. Seattle reached a Minor League deal with 29-year-old Luis Felipe Castillo on Tuesday, a source told MLB.com’s Mark Feinsand.

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?

Castillo came up in the Arizona Diamondbacks system and signed with the Tigers as a minor-league free agent before the 2022 season. He posted a 1.56 ERA in 34 2/3 innings at Triple-A Toledo before getting selected to the big-league club on Aug. 6, 2022.

The initial plan for this analysis was to offer an update on potential moves or signings that the Mariners might make as the Feb. 12 report date for pitchers and catchers looms. But after hours spent checking the rosters of other teams for potential positional redundancies,

An article by MLB.com's Daniel Kramer hinted at what shape the Seattle Mariners' big offseason move could take depending on a key free agent.

The Atlanta Braves could get desperate in an attempt to stay competitive in the loaded National League East heading into 2025.

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

The Mariners have been known for their robust pitching development, including current big league rotation members Logan Gilbert, George Kirby and Bryce Miller. In a fun twist, when MLB Pipeline dropped its newest Top 100 prospects re-rank on Friday,