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

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.

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?

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,

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.

Law's annual farm system rankings has the Mariners up top, followed by the Red Sox and Dodgers. The Astros and Angels are at the bottom.

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

Ask any Mariners fan what they think off the offseason so far, and you’ll be met with anger and disappoint. After a self-imposed $15 million budget for the offseason, Seattle has been one of the quieter teams in the free agent market landing Donovan Solano and a few minor league deals.

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