Catching depth matters a lot in Major League Baseball, even to the team with the best backstop in the game. Following Cal ...

The Seattle Mariners have been relatively quiet since re-signing Josh Naylor back in November. Unfortunately, they have some ...

Mark Feinsand of MLB.com reports that Toronto Blue Jays star Bo Bichette is open to making a position change to second base.

This article was originally published on www.si.com/fannation/mlb/fastball as AL East Team Targeted Mariners Postseason Hero ...

The Mariners and outfielder Brennen Davis have agreed to a Minor League deal, sources tell @JustBB_Media. Includes ST invite.

Nick Castellanos trade rumors heat up as Mariners emerge as top destination from Phillies, exploring ideal Nick Castellanos ...

The Seattle Mariners have established themselves as World Series contenders; here are three MLB free agents they should sign.

The Seattle Mariners are seemingly the perfect landing spot in a huge trade for St. Louis Cardinals infielder Brendan Donovan ...

The Mariners have found their leading candidate to be their backup catcher in 2026. The club announced Tuesday it has signed ...

The Seattle Mariners catcher had an unforgettable, career year in 2025, but Cal Raleigh can't be expected to register those ...

This story was excerpted from Daniel Kramer's Mariners Beat newsletter. To read the full newsletter, click here. And ...

After his new contract with the New York Mets became official, ex-Seattle Mariners slugger Jorge Polanco left a heartfelt ...