Seattle figures to have six spots in the bullpen already accounted for with Andres Munoz, Matt Brash, Eduard Bazardo, Gabe Speier, Ferrer and Carlos Vargas. Seattle has said it wants to bring in another outside arm, which would leave just one additional spot in the 'pen.

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 did a good job taking care of one of their own this offseason already by retaining Josh Naylor on a five-year deal in free agency. Reports

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,

Could the Mariners land Diamondbacks star? Breaking down Ketel Marte Mariners fit and Diamondbacks trade outlook.

Mariners President Jerry Dipoto says Seattle isn't done dealing, but a slow market has cooled down the Hot Stove League

Seattle still wants to address second base, but look to be standing pat at the hot corner. Visit MLB Trade Rumors for more.

If that is, in fact, the case, it will also close the book on the Mitch Garver-era in Seattle. After recently trading projected backup Harry Ford, the speculation was that Garver could return on a modest deal to be Raleigh's backup once again.

An emerging opportunity could allow the Cardinals to trade an All-Star to the Mariners amid Seattle’s growing roster urgency.