A Mariners insider casts doubt on the team’s pursuit of a Diamondbacks All-Star, cooling speculation around a potential move.

Jorge Polanco is reportedly signing with the Mets, which brings uncertainty and opportunity to the Seattle Mariners' offseason, insider Shannon Drayer reports.

The Seattle Mariners have emerged as a top suitor for a Japanese star slugger amid Eugenio Suarez’s free agency.

The Seattle Mariners walked into the MLB Winter Meetings this week with a purpose: to make some moves that would help cement the lineup and fortify their bench.

While the Mariners will retain most of the roster that went deep into October last season, their 2026 group won’t feature a full-fledged form of “running it back.” Jorge Polanco, one of their most imp

If Ferrer takes steps forward in his development, he could provide the Mariners another legitimate high-leverage option, says Rick Graham of Pitcher List.

The Seattle Mariners are reportedly trading catching prospect Harry Ford and pitching prospect Isaac Lyon to the Nationals in exchange for reliever Jose Ferrer.

The Mariners have found their leading candidate to be their backup catcher in 2026. The club is nearing an agreement on a Major League contract with veteran backstop Andrew Knizner, sources told MLB.com on Friday night,

Seattle added to its minor league ranks with multiple selections in the Rule 5 draft Wednesday at the MLB winter meetings in Orlando, Fla. The Mariners opted not to take a player in the major league portion of the Rule 5 draft, which would have forced the team to keep the draftee on their major league roster for all of 2026.

The Mariners walked into the Ma jor League Baseball Winter Meetings riding a lot of momentum after re-signing first baseman Josh Naylor. Unfortunately, the fron