Seattle Mariners: Breaking News, Rumors & Highlights

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.

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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.

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.

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

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.

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.

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.

Bryce Miller News / Lookout Landing / January 8

Bryce Miller and Mariners to test arbitration, as Seattle reaches deals w/six other players

The Seattle Mariners announced Thursday that they’ve reached agreements to avoid salary arbitration with six of their seven arb-eligible players. Randy Arozarena, Matt Brash, Logan Gilbert, George Kirby, Luke Raley, and Gabe Speier all found an accord with the Mariners ahead of today’s deadline for offering salary figures.

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 / 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.

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.

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The '2025 leading receiver by team' quiz

The 'NFL passing TD leaders by year' quiz

The 'Most sacks in an NFL season' quiz

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

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 / Fastball on SI / January 8

Mariners Give 2-Time All-Star Big Raise, Avoid Arbitration

The Seattle Mariners have had a quiet offseason, with their only major move being the signing of Josh Naylor, who returned on a five-year contract. Now, the team has other needs to address.

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

Casey Legumina News / Lookout Landing / January 8

4o in 40: Casey Legumina should have some New Year’s resolutions

Sometimes, it’s not your year. In 897 CE, millions of things occurred each day with great meaning to the people living at the time. However, it’s among the less consequential years I could identify in cursory historical research.

Seattle Mariners News / Fastball on SI / January 8

Mariners Predicted To Acquire One More Big Bat By MLB Insider

The Seattle Mariners' offseason has slowed down considerably, but that doesn't mean the action has come to a halt. After landing first baseman Josh Naylor at the very start of this year's free agency proceedings, the Mariners' only move of note has been trading catching prospect Harry Ford for lefty reliever Jose A.

Julio Rodriguez News / Seattle Mariners on SI / January 7

Mariners' MVP candidate Julio Rodriguez returns home to the Dominican to give back

It's been a big start to the year already for Mariners' All-Star Julio Rodriguez. In the first week of 2026, the 29-year-old outfielder was recognized as MLB.com's pick as the favorite to win the American League MVP Award in the upcoming season.

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.

Seattle Mariners News / Fastball on SI / January 7

Mariners Acquire 7-Year Veteran After Stint In Korea (Report)

One of the exciting things about the Major League Baseball offseason is chronicling all the seemingly small transactions, knowing that some will inevitably wind up having a big impact.

Eugenio Suarez News / Seattle Mariners on SI / January 7

The Mariners are predicted to lose a major free agent to the Arizona Diamondbacks

After two separate stints with the Seattle Mariners, free agent third baseman Eugenio Suarez might be preparing for an encore in the desert, as well. Acquired at the trade deadline from the Arizona Diamondbacks, the two-time All-Star later exercised his free agent option and now might be heading back to the Valley of the Sun.

MLB News / Fastball on SI / January 7

Mariners Remain Connected To Cardinals All-Star, Per Insider

The Seattle Mariners remain relatively quiet this offseason. They traded for Jose Ferrer and re-signed Josh Naylor, but haven't done much of anything else this offseason.