Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Could Target These Two Underrated Bats If Josh Naylor Leaves in Free Agency

The Seattle Mariners gave fans a postseason to remember in 2025, making a magical run to the American League Championship Series before falling just short to the Toronto Blue Jays in seven games.

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Predicting 3 Mariners Who Already Played Their Last Games In Seattle

The Seattle Mariners are certain to have at least a slightly different look when they next take the field. Coming off a gut-wrenching loss in Game 7 of the American League Championship Series, the Mariners know they have a winning formula moving forward.

Seattle Mariners News / Fastball on SI / October 29

Mariners Named Top Fit for Projected $160 Million Japanese Star

After narrowly missing the World Series in 2025, the Mariners enter this winter determined to take the next step. President of Baseball Operations Jerry Dipoto has made it clear the team intends to be aggressive, and adding an international superstar could be the move that puts Seattle back among the American League’s elite.

Seattle Mariners News / Fastball on SI / October 29

Josh Naylor Raises Eyebrows With Comment On Cal Raleigh's Instagram

Will the Seattle Mariners find a way to retain one of the better sluggers in their lineup this offseason? Seattle clearly knew that it needed to add some pop and that's why the organization went out and acquired Josh Naylor and Eugenio Suárez this summer ahead of the trade deadline.

Freddie Freeman News / Yardbarker Quizzes

The 'World Series walk-off home runs' quiz

There have been just 19 walk-off home runs in the history of the World Series. How many of the players to hit one can you name in five minutes?

The 'World Series home run leaders' quiz

The 'AL & NL batting champions since 2003' quiz

The 'World Series Champions' quiz

Josh Naylor News / Seattle Mariners on SI / October 28

What will it take for the Mariners to Re-Sign Free Agent Josh Naylor?

As Major League Baseball's free agent period is set to begin, the Seattle Mariners are planning out their strategy to retain first baseman Josh Naylor.

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 28

Mets Tabbed As Possible Threat To Steal Mariners' Postseason Standout

If the Seattle Mariners want first baseman Josh Naylor back, who or what might be standing in their way? The obvious first hurdle is money, as Naylor will want to be paid what he's worth coming off a standout postseason.

Josh Naylor News / Fastball on SI / October 28

Mariners' Potential 1st Base Target Gets Same Contract Projection As Josh Naylor

The Seattle Mariners will be looking to retain first baseman Josh Naylor in free agency, but what if that plan falls through? Naylor became the most well-rounded version of himself in Seattle, leading the way in terms of batting average between the regular season and postseason after his arrival and stealing 21 bases in 66 games.

Seattle Mariners News / Seattle Mariners on SI / October 28

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.

Seattle Mariners News / Fastball on SI / October 28

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.

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 / 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.

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.

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The 'Active 140-yard, two TD catch games' quiz

The 'Active NFL receptions leaders' quiz

The 'ALCS MVPs' quiz

The 'World Series home run leaders' quiz

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.

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.

Bryce Harper 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 / 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.

Cal Raleigh News / Viral Sports News / October 24

Seattle Mariners Reveal Major Cal Raleigh News Before World Series

Cal Raleigh, the Seattle Mariners’ superstar catcher, delivered a remarkable 2025 MLB season, cementing his place among the all-time greats at his position.

Seattle Mariners News / MLB Trade Rumors / October 23

Mariners expected to prioritize Josh Naylor in free agency

The Mariners’ season ended with heartbreak in Game 7 of the ALCS versus the Blue Jays, and they’ll now turn their focus to an offseason aimed at building upon what was clearly a World Series-caliber roster (even if they fell just short).

MLB News / Yardbarker / October 23