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.

Former Seattle Mariners reliever Ryne Stanek signed a one-year deal to return to the New York Mets on Wednesday morning. Anthony DiComo of MLB.com had the infor

Seattle Mariners closer Andres Munoz made some special and unique baseball history in 2024, as noted by the popular @CodifyBaseball account on 'X:' The lowest b

Munenori Kawasaki, who competed for the Seattle Mariners in 2012, will be representing Japan in the international competition.

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.

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 Seattle Mariners' 2025 roster needs more offense to compete for a postseason berth. Could Toronto Blue Jays shortstop Bo Bichette be a realistic target?

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 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,

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.

Nets NRI deal from Seattle