Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Ace Bryan Woo will look to rebound after late-season injury struggles in 2025

It was a tale of two seasons for Seattle Mariners starter Bryan Woo in 2025. The 25-year-old right-hander experienced the thrill of establishing a new high in victories while dealing with the agony of injuries that limited his availability in the postseason.

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Two lethal lefties should give the Mariners' bullpen a major edge in 2026

As the Mariners became caught up in the free agent carousel of this offseason, the club also made a trade that could have a major impact on the club's success in 2026.

MLB News / Seattle Mariners on SI / December 20

Could Ketel Marte be returning to Seattle to fill the void at second base?

The Seattle Mariners are facing a need at second base, following the departure of free agent Jorge Polanco to the New York Mets. Fortunately for them, there's a familiar face down in Phoenix that could very well return to the Emerald City to man the keystone once again in 2026.

Brennen Davis News / MLB Trade Rumors / December 20

Mariners Sign Brennen Davis To Minor League Deal

The Yankees have signed outfielder Brennen Davis to a minor league deal, as reported by Aram Leighton of Just Baseball. The deal includes an invite to MLB Spring Training.

Philadelphia Phillies News / Yardbarker Quizzes

The 'Active MLB home run leaders' quiz

How many of the most prolific power hitters in baseball today can you name in 5 minutes?

The 'Last 40-home-run season by MLB team' quiz

The 'MLB All-Star Game MVPs' quiz

The '50-home-run MLB seasons' quiz

MLB News / Fastball on SI / December 20

Mariners Insider Drops Cryptic Update On Potential Cardinals Trade

Figuring out where the Seattle Mariners stand in their quest for a second baseman is somewhat challenging at the midway point of the offseason. Whether he was going to stick at second base long-term or not, it was clear that the Mariners had their sights set on a reunion with Jorge Polanco above all else.

Athletics News / Yardbarker

25 MLB players on the brink of stardom in 2026

The stars were out in full force during the 2025 World Series. From Max Scherzer in Toronto to Freddie Freeman, Mookie Betts, and of course, Shohei Ohtani, in Los Angeles, there was no shortage of the game's best under the brightest lights.

Colt Emerson News / Seattle Mariners on SI / December 20

Colt Emerson's eventual Mariners debut is already stirring excitement, interest

Ever since being drafted 22nd overall in the 2023 MLB Draft, it seems as if the Mariners' top prospect has been on a fast track to the Major Leagues. And for 20-year-old Colt Emerson, a prep hero from Ohio, has seemingly gone from high school to high expectations in short order.

Seattle Mariners News / The Spun / December 20

Beloved Former Seattle Mariners Pitcher Has Died At 61

The MLB community learned Saturday that a former first-round pick and longtime pitcher passed away at the age of 61. Mike Campbell reportedly died this past Monday at his home in Kirkland, Washington.

Seattle Mariners News / Seattle Mariners on SI / December 20

Justin Hollander and Jerry Dipoto have formed a Dynamic Duo in Mariners' front office

As the Mariners continue to shop the Hot Stove League for players who will eventually make up the 2026 roster, the franchise is in good hands with two of the better minds in the game today.

Cal Raleigh News / Seattle Mariners on SI / December 19

Mariners star Cal Raleigh receives Sports Illustrated Breakout Player Award

Seattle Mariners catcher Cal Raleigh, this season's runner-up for the American League Most Valuable Award, has been named the Sports Illustrated Breakout Star of the Year Award winner for 2025.

Seattle Mariners News / Fastball on SI / December 19

Mariners' $72 Million Slugger Projected To Bolt For Deal With NL Club

The Seattle Mariners took the baseball world by storm at the trade deadline when they swung a pair of trades with the Arizona Diamondbacks to acquire sluggers Josh Naylor and Eugenio Suárez.

Seattle Mariners News / MLB on ClutchPoints / December 19

1 blockbuster move Mariners must make after MLB Winter Meetings

The‍‌‍‍‌‍‌‍‍‌ Seattle Mariners need a new infield asset and Brendan Donovan of the St. Louis Cardinals is the go-to guy. The Mariners are in urgent need of a batter who can bring in runs and offer lineup stability after a very gloomy postseason.

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 / December 19

Mariners Again Linked To Diamondbacks 3-Time All-Star In Trade Rumors

The Seattle Mariners have been on the rise lately. They made it to the ALCS for the first time since 2001 and came to within one win of the World Series.

MLB News / Fastball on SI / December 18

Mariners Lose 27-Year-Old Free Agent Backstop To Padres

Catching depth matters a lot in Major League Baseball, even to the team with the best backstop in the game. Following Cal Raleigh's incredible season that saw him earn a second-place nod in Most Valuable Player voting, the Seattle Mariners have had a surprising amount of offseason transactions centered around the catching position.

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The '2004-05 NFL passing leaders' quiz

The 'Most multi-rushing-TD NFL games' quiz

The 'NFL's active TD-catch leaders' quiz

The 'Youngest 40-point NBA games' quiz

Seattle Mariners News / Fastball on SI / December 18

AL East Team Targeted Mariners Postseason Hero Before Departure

The 'American League Rookies of the Year' quiz

Seattle Mariners News / Last Word On Sports / December 13

Ford vs. Ferrer: What the Trade Reveals About the Mariners’ Priorities

During the first day of the MLB Winter Meetings, Jerry Dipoto, the Seattle Mariners President of Baseball Operations, said, “We feel like we got the No.

MLB News / Yardbarker / December 13