Seattle Mariners: Breaking News, Rumors & Highlights

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.

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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.

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

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.

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, Randy Arozarena Avoid Arbitration

The Mariners and slugging outfielder Randy Arozarena are in agreement on a one-year, $15.65MM contract, reports Francys Romero of BeisbolFR.com. He’s entering his final season of arbitration control before becoming a free agent next winter.

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.

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.

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.

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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

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.

Seattle Mariners News / Fastball on SI / January 7

Eugenio Suárez Predicted To Bolt From Mariners For Deal With NL Club

The Seattle Mariners were one of the best teams in the league last season, but they fell short of the World Series. Seattle lost to the Toronto Blue Jays in the American League Championship Series.

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.