Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Lose 29-Year-Old Hurler To Tigers In Free Agency

The Seattle Mariners signed right-hander Dylan File around this time last year, looking to bolster their rotation depth in the minors. In a way, they got exactly what they expected.

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Where the Mariners Must Improve on the Margins in 2026

The 2025 season was a historic one for the Seattle Mariners. They were able to reach the ALCS for the first time in 25 years and claimed the AL West title.

Lazaro Montes News / Seattle Mariners on SI / January 5

Mariners' power prospect Lazaro Montes could be 'All-or-Nothing' at the MLB level

Heading into the 2026 season, the sky's the limit for Seattle Mariners prospect Lazaro Montes. The 21-year-old has the potential to be a 30-homer hitter at the big-league level.

MLB News / Seattle Mariners on SI / January 5

Ex-Mariners reliever announces on his own social media that he's headed to the Angels

After spending four seasons with the Seattle Mariners, lefthanded reliever Taylor Saucedo announced that he'll be departing the Emerald City to pitch for the Los Angeles Angels in 2026.

Kyle Schwarber News / Yardbarker Quizzes

The 'Active MLB home run leaders' quiz

How many of the most prolific power hitters in baseball today can you name in 5 minutes?

The 'Last 40-home-run season by MLB team' quiz

The 'MLB All-Star Game MVPs' quiz

The '50-home-run MLB seasons' quiz

Seattle Mariners News / Fastball on SI / January 5

Mariners Struck Gold, Already Landed Seattle's Next Star Infielder

The Seattle Mariners have been one of the better teams in the American League for a few seasons, but they put together their best campaign last season.

NFL News / Yardbarker

The 25 most memorable sports plays of 2025

When it comes to unforgettable plays within the 2025 sports calendar, this was truly a special year. Here's our rankings of the 25 best.

Seattle Mariners News / Seattle Mariners on SI / January 5

In the midst of a swift offseason, Seattle's Spring schedule starts soon

Following the Mariners Fan Fest at the end of this month, the team's time off will be coming to an end, and the 2026 Major League Baseball season will be on the horizon.

MLB News / Fastball on SI / January 5

Mariners Slugger Predicted To Bolt For 2-Year, $43 Million Deal With Angels

The Seattle Mariners came into the trade deadline last offseason in desperate need of a few infielders. As a result, they swung a pair of trades for expiring sluggers Josh Naylor and Eugenio Suárez.

Bryce Miller News / Lookout Landing / January 5

40 in 40: There’s something in Bryce Miller’s arm

Not Jacob Misiorowski. Not Paul Skenes. No, not even Stephen Strasburg. The best starting pitcher debut this century belongs to none other than Bryce Miller.

Seattle Mariners News / Fastball on SI / January 5

Mariners Slugger May Not Have Played Final Game In Seattle

The Seattle Mariners look like arguably the best team in the American League West on paper heading into the 2026 season with room for growth. There's roughly a month to go until Spring Training gets here and the Mariners have already been busy re-signing Josh Naylor, signing Rob Refsnyder, and acquiring Jose Ferrer, among other moves.

Yorger Bautista News / Seattle Mariners on SI / January 5

Is this Mariners Minor Leaguer the best-kept secret in Seattle's system?

18-year-old Yorger Bautista has been preparing for the upcoming season for a year now. After signing as an international free agent in January of 2025, the Venezuelan outfielder is bigger than his age suggests, and his potential might be even larger than that.

MLB News / Fastball on SI / January 5

Insider Shares Important Update On Mariners Pursuit Of Cardinals All-Star

The Seattle Mariners have had a mostly quiet offseason since re-signing Josh Naylor. No other big moves have taken place, but they have been at the center of rumors for certain players in trades and free agency.

MLB News / Yardbarker

The 25 greatest pitching seasons from the modern MLB era

America's favorite pastime has more memorable performances than any sport. As such, figuring out which pitchers had the best seasons ever is no easy task.

Seattle Mariners News / Fastball on SI / January 5

Mariners Predicted To Lose 2-Time All-Star To AL Central Contender

The Seattle Mariners have had a relatively quiet offseason to date, with their only major move being the signing of Josh Naylor to a five-year deal. They did add left-hander Jose Ferrer in a trade with the Washington Nationals, but they haven’t done much else.

MLB News / Seattle Mariners on SI / January 4

Is the Cardinals' Brendan Donovan now a 'must-have' for the Mariners?

Jorge Polanco is gone, Eugenio Suarez is likely next, and they're searching for solutions in Seattle. The Mariners (90-72, 1st in AL West in 2025) look

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The 'Last 4K-yard passer by NFL team' quiz

The 'Heisman Trophy winners since 2000' quiz

The 'TE receiving leaders by NFL team' quiz

The 'Leading receivers vs. each NFL team' quiz

J.P. Crawford News / Seattle Mariners on SI / January 4

Seattle shortstop JP Crawford is a leader on the field and in the community

When most fans think of the Seattle Mariners, they picture players like Cal Raleigh and Julio Rodriguez. However, the guys who get all the headlines would even tell you that the team's most underrated leader is veteran shortstop JP Crawford.

Julio Rodriguez News / Athlon Sports / January 4

Julio Rodriguez Sends Message to Mariners Teammate After MLB's Announcement

The Seattle Mariners are heading into the 2026 MLB season fresh off a deep playoff run that ended just one win shy of the franchise’s first-ever World Series appearance.

Tayler Saucedo News / MLB Trade Rumors / January 4

Angels To Sign Tayler Saucedo

The Angels are signing left-hander Tayler Saucedo, as Saucedo himself indicated recently on his personal Instagram account. The exact details of Saucedo’s contract aren’t yet known, but it’s likely to be a minor league deal with an invite to big league Spring Training.

MLB News / Inside The Rink / January 4

ECHL Series Recap: Adirondack Thunder vs Maine Mariners | 01/02-01/03/2025

The Adirondack Thunder have their eyes set on second place in the North Division as they swept the two-game series in Maine and now have a season-high five-game winning streak.

Seattle Mariners News / Seattle Mariners on SI / January 3

Mariners miss out on international free agent Kazuma Okamoto

A recurring theme has struck again, as the Seattle Mariners have missed out on another infield free agent. Kazuma Okamoto, who has been on the M's radar this off-season, has reportedly signed with the Toronto Blue Jays, just one day before his posting period was set to expire.

Seattle Mariners News / Seattle Mariners on SI / January 3

Have the Seattle Mariners been too patient this off-season?

The Mariners' offseason has drawn some criticism within their fan base and even around Major League Baseball for the lack of progress being made this offseason.

MLB News / Seattle Mariners on SI / January 3

Mariners hire former Red Sox exec, Hawaii native for Senior Business Strategy position

The Seattle Mariners announced on Friday that they've made a new addition to their management team. Hailing from the 50th state, Hawaii native Kurt Zwald has been named the franchise's new senior director of business strategy and analytics.

Seattle Mariners News / Fastball on SI / January 3

Mariners Connected To 29-Year-Old Slugger As Deadline Nears

The Seattle Mariners have already made one splash in the infield this offseason. Could another be on the way in the near future? Seattle re-signed Josh Naylor early on in free agency and now appears to be set at first base for the foreseeable future.

Seattle Mariners News / MLB Trade Rumors / January 3

Mariners Involved In Kazuma Okamoto’s Market

Kazuma Okamoto’s posting window closes at 4pm CT on Sunday, and there isn’t yet any sense where the Japanese star might sign even as his deadline nears.

Randy Arozarena News / Athlon Sports / January 1

Mariners' Randy Arozarena Makes Career Announcement on Thursday

The Seattle Mariners’ future looks bright after their deep postseason run in 2025, where they came just one win short of reaching the World Series. Among the team’s many talented players, outfielder Randy Arozarena continues to stand out.

Seattle Mariners News / Last Word On Sports / December 30

Five Mariners Trade Candidates Before the 2026 Season

While the Seattle Mariners’ offseason has been quiet on the surface, the front office remains active behind the scenes. If Seattle is serious about upgrading the roster for 2026, it will almost certainly come at the cost of current roster pieces and high-end prospects.

Seattle Mariners News / MLB Trade Rumors / December 29

Mariners Reluctant To Deal From Major League Roster

The Mariners are still hoping to make at least one more notable splash between now and Opening Day, but Ryan Divish of the Seattle Times suggests that they’re reluctant to deal anyone from their big league roster to make it happen.