Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Chairman Writes Letter of Appreciation to the Team's Fans

2025 was an amazing year for the Seattle Mariners and their fans. Despite falling a game short of the franchise's first-ever World Series appearance, there is a feeling that the M's are trending upward, and they could be serious postseason contenders for years to come.

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The Morning Bark

The Quiz of the Day

Mariners 'Widely Expected' To Cut Ties With Two Seasoned Hurlers

The Seattle Mariners' bullpen has been a strength for many years, but it still requires tweaks every season. While core arms like Andrés Muñoz, Matt Brash, and Gabe Speier are under contract for next season, the Mariners are still bound for some attrition.

Seattle Mariners News / Just Baseball / October 28

Top Landing Spots for Free Agent Josh Naylor

Coming into his final year before hitting free agency for the first time, Josh Naylor had the perfect opportunity to show why teams should be vying for his services in the 2025-26 offseason.

Eugenio Suarez News / Seattle Mariners on SI / October 28

Mariners Prospect Could Replace Eugenio Suarez if He Departs

Eugenio Suarez is one of the most prodigious power hitters among MLB third basemen, smacking 49 home runs while splitting his time between the Arizona Diamondbacks and Seattle Mariners.

Toronto Blue Jays News / Yardbarker Quizzes

The 'ALCS MVPs' quiz

MLB has been awarding the American League Championship Series MVP Award since the 1980 season. How many of the winners in that time can you name in six minutes?

The 'World Series MVPs' quiz

The 'Four-RBI ALCS games' quiz

The '2024 MLB RBI leaders' quiz

Seattle Mariners News / Fastball on SI / October 27

Mariners Message To Seattle Fans Is Good Sign For Offseason

There's no denying it, the Seattle Mariners took a step forward in 2025. Seattle won the American League West for the first time since 2001 this season.

MLB News / Yardbarker

25 notable MLB Hall of Famers who never won a World Series

Among the countless Hall of Famers who never experienced the joy of winning a World Series, there are several notable legends who stand out. Here's our list of the 25 greatest.

MLB News / Fastball on SI / October 27

Giants May Steal $26 Million Postseason Hero Away From Mariners, Writer Suggests

The Seattle Mariners are fresh off an impressive run to the American League Championship Series. They fell just short in seven games against the Toronto Blue Jays, but have a bright future ahead of them as the 2026 season looms.

Seattle Mariners News / Fastball on SI / October 27

Mariners Linked To Projected $160M Slugger Who Could Replace Eugenio Suárez

As was the case at the trade deadline, the future of the Seattle Mariners' corner infield spots will be one of the top questions to answer all offseason.

Jorge Polanco News / Fastball on SI / October 27

Mariners GM Drops Eugenio Suárez, Jorge Polanco Hints Ahead Of Free Agency

The Seattle Mariners have three starting position players headed to free agency, and they only seem to have a clear plan for one of them. Seattle's brass has repeatedly expressed an intention to keep first baseman Josh Naylor.

Seattle Mariners News / Fastball on SI / October 27

Eugenio Suárez's Predicted Market Is Perfect For Mariners

The Seattle Mariners came within one game of advancing to the World Series this year in a clear sign that the organization is trending in the right direction.

MLB News / Fastball on SI / October 27

Mariners Linked To Yankees' $168 Million Free Agent Star: Insider

The Seattle Mariners were one of the best teams in all of baseball this season, but they fell short of the ultimate goal of the World Series. Seattle made moves for players like Josh Naylor and Eugenio Suárez in its push for the World Series.

Seattle Mariners News / Seattle Mariners on SI / October 27

Holding Out Number One Pick in 2025 Could Benefit the Mariners in 2026

As the Mariners and their fans look back to the 2025 season, they also look forward to next season and the hopes of building on their recent success. Having reached the threshold of the World Series, the team is developing an off-season strategy that aims to retain its own free agents, while also bolstering its pitching staff.

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.

Jorge Polanco News / Fastball on SI / October 27

Mariners Could Lose Jorge Polanco To Bitter AL West Rival, Insider Hints

The Seattle Mariners' reunion with Jorge Polanco last winter went better than anyone could have predicted. After re-signing on a one-year, $7.75 million deal, Polanco put up a career-best 134 OPS+ in the regular season, then provided a series of memorable moments in the postseason.

Seattle Mariners News / Fastball on SI / October 27

Mariners Postseason Hero Gets Huge 4-Year, $90 Million Contract Projection

The Seattle Mariners took a huge shot by trading for Josh Naylor and Eugenio Suárez at the trade deadline, and it seemed to pay off. Both stars were crucial to getting the Mariners deep into the postseason, though they didn't bring home the World Series title.

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The 'Active NFL receptions leaders' quiz

The 'ALCS MVPs' quiz

The 'World Series home run leaders' quiz

The 'Active 3-passing-TD game leaders' quiz

Seattle Mariners News / Fastball on SI / October 27

Mariners Could Shake Up Roster By Adding $182 Million Man

The Seattle Mariners have some work to do after falling just short in the American league Championship Series against the Toronto Blue Jays. They still have a solid team entering the offseason, but they should look to make some moves.

Seattle Mariners News / Fastball on SI / October 27

Mariners Linked To $189 Million Superstar In Blockbuster Move

The Seattle Mariners made the American League Championship Series this year, but fell short of the World Series. As the offseason begins, the Mariners are going to need to make some huge moves to stay at the top of the AL.

MLB News / Yardbarker / October 27

Potential Harper trade destinations as Phillies rumors swirl

Three potential Bryce Harper trade destinations as Phillies rumors swirl

The noise around Harper in Philadelphia these days is quite negative.

Harper 'really hurt' by trade buzz caused by Dave Dombrowski comments

Two players will get World Series rings no matter which teams wins

Guerreros become latest father-son pairing to play in World Series

Questions facing Tigers this offseason

Cubs to pursue a former Cy Young finalist in free agency

Seattle Mariners News / Fastball on SI / October 26

Mariners' Top 3 Free Agents, With Predicted Landing Spots For Next Season

Free agency could be a period of major change for the Seattle Mariners, or they could wind up running back the same formula as last season. The pitching staff is largely locked up, so the Mariners mainly have to decide whether their position players are important enough parts of their winning formula to bring back.

Cal Raleigh News / Seattle Mariners on SI / October 25

Mariners Cal Raleigh wins Sporting News MLB Player of the Year

Seattle Mariners Cal Raleigh had a historic season in 2025, flexing power numbers that were not only high-water marks for himself, but also in the Major League record book.

Seattle Mariners News / MLB Trade Rumors / October 25

Mariners aiming for roughly $166M in 'starting Point”' payroll in 2026

The Mariners finished the 2025 season with a payroll within the range of around $165.2M (as per calculations from Cot’s Baseball Contracts) to $166.2M.

Josh Naylor News / Fastball on SI / October 25

What Mariners Will Need To Do To Keep Josh Naylor In Seattle

Josh Naylor was exactly what the Seattle Mariners needed. Now, the Mariners have to decide how badly they want to keep him. In 54 games for the Mariners after the trade deadline, Naylor put up an .831 OPS, 19 stolen bases, and 2.2 wins above replacement.