Seattle Mariners: Breaking News, Rumors & Highlights

Could Mariners top prospect Colt Emerson be the 2026 AL Rookie of the Year?

Colt Emerson will enter Spring Training in a few weeks with much anticipation. The Seattle Mariners and their fans have seen and heard nothing but great things about the 20-year-old phenom, who looks he will not only have an opportunity to make the big league ball club, and possibly even break into the everyday, starting lineup.

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Pirates Urged To Steal $66 Million Slugger From Mariners In Free Agency

The Seattle Mariners took a huge shot at the trade deadline and swung a pair of trades for Arizona Diamondbacks sluggers Josh Naylor and Eugenio Suárez.

Hagen Danner News / Fastball on SI / January 11

Mariners Lose 27-Year-Old Free Agent Pitcher To Reds

It's been a quiet few weeks for the Seattle Mariners on the free-agent front, but there was one departure to note from this past week. Mariners fans never truly got to know right-handed pitcher Hagen Danner, who has one major league appearance under his belt and didn't make one for the Mariners this past season.

Bryce Miller News / Seattle Mariners on SI / January 11

Mariners starting pitcher Bryce Miller must be better in 2026

The 2025 season is probably the toughest one of Bryce Miller's career. While the Mariners' righty got to be a part of the franchise's first division title winner since 2004.

Jason Giambi News / Yardbarker Quizzes

The 'MLB Home Run Derby champions' quiz

MLB held its inaugural Home Run Derby event at the 1985 MLB All-Star Game. How many of the winners can you name in five minutes?

The 'Home run leaders by MLB franchise' quiz

The 'Active MLB home run leaders' quiz

The 'Most home runs by a switch hitter' quiz

MLB News / Seattle Mariners on SI / January 10

Is Toronto free agent Bo Bichette REALLY an option for the Seattle Mariners?

There are an awful lot of teams that would love to have Toronto Blue Jays' current free agent Bo Bichette, and the Mariners are certainly one of them.

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 10

With prospects on the rise, the Mariners must seek shorter-term deals in free agency

This offseason, the Seattle Mariners went into the winter with three-fourths of their infield headed to free agency. The team quickly re-signed their top priority, first baseman Josh Naylor, but lost second sacker Jorge Polanco to the New York Mets.

Eugenio Suarez News / Fastball on SI / January 10

Mariners Could Potentially Lose Eugenio Suarez To Unexpected NL Team

The Seattle Mariners have a little work left to do this offseason. They kept Josh Naylor around, but lost Jorge Polanco to the New York Mets in free agency.

Seattle Mariners News / Seattle Mariners on SI / January 9

Mariners will play four games on NBC's Sunday Night Baseball in 2026

The Seattle Mariners captured much of the nation's attention with their frantic finish to the 2025 season, along with the improbable but impressive offensive outburst of Cal Raleigh.

Seattle Mariners News / Seattle Mariners on SI / January 9

Mariners' 19-year-old pitching phenom could develop into the ace of the Seattle staff

The Seattle Mariners will be pretty set with their veteran pitching rotation heading into the 2026 MLB season, Headed by 15-game winner Bryan Woo, the group is still jelling as a unit, and one of the five regulars, Luis Castillo (33), is over thirty years of age.

Seattle Mariners News / Lookout Landing / January 9

40 in 40: Emerson Hancock’s 2026 season will be Golden

Brussels sprouts, my sister’s boyfriend, yoga, the television show Letterkenny, most weird chip flavors, The Ballad of Dood & Juanita, and Emerson Hancock. It was not my intention to cultivate any affinity for this Georgia fella, but by the time we closed out the 2025 season it seemed that prolonged exposure had worked its magic once again.

Bryce Miller News / Seattle Mariners on SI / January 9

Mariners & Bryce Miller can't come to an agreement, pitcher now headed for arbitration

On Thursday, the Seattle Mariners announced they had signed six of seven arbitration-eligible players, including key contributors like pitcher George Kirby and outfielder Randy Arozarena.

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 / Seattle Mariners on SI / January 8

How will MLB's problems with the FanDuel Network affect the Mariners?

Commissioner Rob Manfred announced on Thursday that Major League Baseball will be prepared to produce and distribute the telecasts for nine teams that have terminated their deals with FanDuel Sports Network.

Randy Arozarena News / Athlon Sports / January 8

Mariners Announce Randy Arozarena News on Thursday

The Seattle Mariners are heading into the 2026 MLB season with momentum after last year’s deep playoff run. Although the team fell just one win short of reaching the World Series, Seattle returns much of the same core that fueled its success, including outfielder Randy Arozarena.

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The 'NFL Playoff rushing-TD leaders' quiz

The 'Last QB to win a playoff game by team' quiz

The '2025 leading receiver by team' quiz

The 'NFL passing TD leaders by year' quiz

Logan Gilbert News / MLB on ClutchPoints / January 8

Logan Gilbert, Mariners settle arbitration with deal north of $10 million

The Seattle Mariners were one win shy of reaching the World Series for the first time in franchise history last season. But Seattle lost Game 7 of the ALCS and the Toronto Blue Jays advanced to face the Los Angeles Dodgers in the Fall Classic.

Patrick Wisdom News / Seattle Mariners on SI / January 8

The Seattle Mariners sign veteran Patrick Wisdom to a minor league deal

The Mariners have agreed to a minor league contract with former Chicago Cubs third baseman/first baseman Patrick Wisdom. The deal also includes a spring training invite, according to a report from JustBaseball.com’s Aram Leighton.

MLB News / Fastball on SI / January 8

Mariners Sign Former 1st-Round Outfielder Away From Pirates

Sometimes, a change in scenery can help reinvigorate a prospect who has thus far failed to deliver on their potential. That's just what the Seattle Mariners are hoping might happen for outfielder Sammy Siani, who was a first-round pick for the Pittsburgh Pirates out of high school in Pennsylvania in 2019.

Seattle Mariners News / Field Level Media / January 8

Reports: Mariners make deals with Randy Arozarena, George Kirby

The Seattle Mariners avoided arbitration with a pair of players Thursday, reaching one-year agreements with outfielder Randy Arozarena and right-handed starting pitcher George Kirby, according to multiple reports.

MLB News / Fastball on SI / January 8

Mariners Playing Waiting Game With Cardinals All-Star, Per Report

The Seattle Mariners have been pretty quiet this offseason. The only major move they have made thus far is re-signing Josh Naylor to a five-year, $92.5 million contract.

MLB News / Fastball on SI / January 8

Mariners Link To Blue Jays All-Star Infielder Emerges Unexpectedly

Could the Seattle Mariners still have one last splashy move in the works for this winter? Many would have assumed, based on the news cycle of the past few weeks, that the Mariners' version of a splash would involve a trade, either for Ketel Marte or Brendan Donovan.

Seattle Mariners News / MLB Trade Rumors / January 8

Mariners agree to deal with Randy Arozarena to avoid arbitration

Acquired from the Rays at the 2024 trade deadline, Arozarena has been an impactful source of power in the heart of Seattle’s lineup since that trade.

Former Mariners ace Felix Hernandez getting huge boost to Hall of Fame chances

25 current MLB players who will end up in the Hall of Very Good

The 'Most home runs by a switch hitter' quiz

Patrick Wisdom News / MLB Trade Rumors / January 7

Mariners To Sign Patrick Wisdom To Minor League Deal

The Mariners and infielder Patrick Wisdom are in agreement on a minor league deal, reports Aram Leighton of Just Baseball. The Apex Baseball client will receive an invite to big league spring training.