SEATTLE -- The pageantry ahead of the Mariners’ most anticipated season in recent memory included a kickoff to their 50th anniversary and their first division title banner in a generation. But it did not carry over to a victory on Opening Day.

SEATTLE -- Brendan Donovan might be on the fast track to becoming a fan favorite in Seattle. The Mariners’ new third baseman wasted no time getting acclimated to his new digs on Opening Day, blasting a leadoff home run off Cleveland’s Tanner Bibee that sent the T-Mobile Park crowd into

SEATTLE -- Baseball will be played at T-Mobile Park this Thursday for the first time since Game 5 of last year’s American League Championship Series, where some of the most iconic moments of the entire season took place. The Mariners are returning to their home crowd following an offseason of

SEATTLE -- The Mariners rolled out more details for their plans for TV broadcasts for the 2026 season on Thursday, and while there are some slight changes, all games will be accessible and catered to fans through multiple viewing options -- all without local blackouts. At the center of Thursday’s

SEATTLE -- The Mariners on Wednesday unveiled how traditional cable and satellite or internet television subscribers can access their games in 2026, specifically via what channels they’ll be on, beginning with Opening Day.

SEATTLE -- For the first time in seven seasons, the Mariners will open the year without their longtime shortstop and clubhouse leader on the Opening Day roster.

SEATTLE -- The Mariners entered Spring Training with one of their most complete rosters in recent memory, without many question marks and no real voids. So, perhaps it’s fitting that the club unveiled its 26-man contingent for Opening Day one day early.

This story was excerpted from Daniel Kramer's Mariners Beat newsletter. To read the full newsletter, click here. And subscribe to get it regularly in your inbox.

PEORIA, Ariz. -- The equipment truck has already departed for Seattle, the few roster battles that were in the works have mostly been decided and the final cuts are in the works. The Mariners still had one more Cactus League game -- they lost, 10-3, on Monday to the Padres

SEATTLE -- The Mariners are adding a new jolt of energy to one of their most recognizable in-game traditions, albeit a newer one, and doing so with a hometown partner. In a collaboration announced Monday, the Mariners and Brooks Running will bring a performance-driven twist to the Microsoft Salmon Run,

PEORIA, Ariz. -- Mitch Garver, who was a late addition to Mariners camp on a Minor League deal and as a non-roster invite, has won the backup catcher job, a source familiar with the club’s thinking told MLB.com on Sunday morning. Garver had been up against fellow veteran Andrew Knizner,

PEORIA, Ariz. -- For all the rigors he takes, Cal Raleigh has often brushed them off by saying “motion is lotion.” And that’s been especially true for the Mariners’ all-world catcher since returning to Spring Training from the World Baseball Classic on Thursday -- even as temperatures have reached historic

PEORIA, Ariz. -- It’s nearly getaway day for the Mariners at Spring Training, and the club still has a few roster questions it’s looking to answer before voyaging to Seattle for Opening Day. And they already answered one of those on Sunday by going with Mitch Garver as their backup

PEORIA, Ariz. -- The story that the Mariners have been looking to move on from reached what they believe is its final chapter on Saturday, when Randy Arozarena issued a second statement on his exchange with Cal Raleigh at the World Baseball Classic nearly two weeks ago.

PEORIA, Ariz. -- Colt Emerson had a solid Spring Training, saw as much playing time as any Mariners position player and is a huge part of the club’s long-term plans. But he will begin the 2026 season in the Minor Leagues.

PEORIA, Ariz. -- A very fertile Mariners clubhouse over the past year paved way for the latest, and easily the most wholesome, digital short that the club rolled on Saturday ahead of Opening Day. Titled “Babyproof,” the 30-second video features the many new fathers in Seattle and, more so, highlights

PEORIA, Ariz. -- The loudest home run of the Mariners' game on Friday belonged to a name you might not expect. Not Cal Raleigh. Not Julio Rodríguez. Not even Randy Arozarena or Josh Naylor.

PEORIA, Ariz. -- Giddyup, Ryan Sloan. The Mariners’ overpowering right-hander lived up to his lofty prospect pedigree when overwhelming a lineup featuring MLB Pipeline’s No. 1-ranked farm system on Friday afternoon at MLB Spring Breakout. His final line: Nine up, nine down, 39 pitches, three strikeouts -- and no mercy.

This story was excerpted from Daniel Kramer’s Mariners Beat newsletter. To read the full newsletter, click here. And subscribe to get it regularly in your inbox.

The Mariners are returning to T-Mobile Park for the first time since the American League Championship Series, a venue that saw some of the postseason’s most iconic moments of 2025, while the Guardians will look to springboard their surging finish to last October, when they came out of nowhere to

PEORIA, Ariz. -- After much success in its first two years, Spring Breakout is back in 2026, creating a showcase-type opportunity for the best and brightest faces of the future by pitting them against other prominent prospects from other organizations. And for the Mariners, who possess one of the sport’s

PEORIA, Ariz. -- At long last, Mariners manager Dan Wilson was finally ready to reveal the club’s Opening Day starter on Thursday afternoon. And to little surprise, given how Seattle had slotted its rotation throughout Cactus League play -- and that its selection is a homegrown ace who’s blossomed into

We are about one week away from Opening Day, and the final rosters are starting to take shape. So we asked the MLB.com beat writers who cover the American League West clubs about what they’ve seen in camp to this point.

PEORIA, Ariz. -- The cat content was in peak form at the World Baseball Classic. Andrés Muñoz regularly shared updates of his 15-year-old Persian feline, Matilda, from his hotel room in Houston while competing for Team Mexico -- headlined by the furry friend donning a mini sombrero in support.

PEORIA, Ariz. -- It’s becoming increasingly clear that the Mariners will need a No. 5 starter when they break camp and voyage to Seattle for Opening Day. And how they handle that spot -- as Bryce Miller works back from left oblique inflammation -- has all of a sudden become