Seattle Mariners: Breaking News, Rumors & Highlights

Five Mariners Trade Candidates Before the 2026 Season

While the Seattle Mariners’ offseason has been quiet on the surface, the front office remains active behind the scenes. If Seattle is serious about upgrading the roster for 2026, it will almost certainly come at the cost of current roster pieces and high-end prospects.

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The Morning Bark

The Quiz of the Day

40 in 40: Luis Castillo, The Happy Project

A decade ago, I went out to an art show. Visiting my uncle in Vienna, Austria, I took a break from Metaxa-fueled family video marathons for a trip to “The Happy Show,” a traveling installation I caught at the city’s Museum of Applied Arts, headed by Austrian artist Stefan Sagmeister.

Seattle Mariners News / Seattle Mariners on SI / December 30

Mariners are optimistic that outfielders Raley and Robles can make a strong return from injury

After missing significant time due to injuries in 2025, Seattle Mariners outfielders Luke Raley and Victor Robles are looking to rise to the occasion when the 2026 campaign comes rolling along.

Dominic Canzone News / Seattle Mariners on SI / December 30

Will Dominic Canzone be the Seattle Mariners' breakout player of 2026?

The holidays have been a bit of a grab bag for the Seattle Mariners in the offseason, as they attempt to stock their shelves with another division-winning roster in 2026.

Kyle Schwarber 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

Seattle Mariners News / Fastball on SI / December 30

Mariners Predicted To Bring Back 2-Time All-Star Slugger

If the 2026 Major League Baseball season were to begin today, the Seattle Mariners would be among the top contenders in the American League on paper. Seattle is coming off a 90-72 2025 campaign and its first American League West title since 2001.

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 / December 30

The Mariners have made it clear; they don't want to trade any of their starters

The Seattle Mariners have two big holes to fill heading into 2026, in terms of their infield and their lineup. Second baseman Jorge Polanco signed a two-year contract with the New York Mets, and talks with free agent third baseman Eugenio Suarez have stalled.

MLB News / Seattle Mariners on SI / December 29

The Mariners face a new contender in the Brendan Donovan sweepstakes

The Seattle Mariners' courtship of Cardinals infielder Brendan Donovan has been well documented throughout the season. Nearly every day, fans in the Emerald City wake up, expecting a trade to happen soon --- perhaps even that day.

Seattle Mariners News / MLB Trade Rumors / December 29

Mariners Reluctant To Deal From Major League Roster

The Mariners are still hoping to make at least one more notable splash between now and Opening Day, but Ryan Divish of the Seattle Times suggests that they’re reluctant to deal anyone from their big league roster to make it happen.

Seattle Mariners News / Seattle Mariners on SI / December 29

ESPN's Buster Olney says Seattle has faith in Cole Young at second base

While the Mariners have been scrambling to set up their infield, one young player is highly thought of in the organization and considered to be the second baseman of the future.

MLB News / Fastball on SI / December 29

Mariners Lose 27-Year-Old Southpaw To Phillies In Free Agency

Sometimes, the offseason carousel spins too quickly to catch all the transactions in the moment, especially at the minor-league level. It's been a winter of heavy turnover for the Seattle Mariners, who saw 29 players elect minor-league free agency in November.

Ben Williamson News / Seattle Mariners on SI / December 28

Mariners insider says that Ben Williamson can fill the third base position in 2026

During the Mariners' amazing run to the 2025 postseason, promising prospect Ben Williamson ended up making the jump to the big leagues to start at third base.

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 / December 28

Is A Eugenio Suárez Reunion The Right Move For The Mariners?

The Seattle Mariners have had a mixed bag of an offseason thus far. While they were able to keep Josh Naylor for the next five years, they lost Jorge Polanco to the New York Mets.

Eugenio Suarez News / Seattle Mariners on SI / December 27

Would Eugenio Suarez REALLY shun Seattle for Pittsburgh?

In recent weeks, there have been multiple reports and several stories linking Mariners free agent Eugenio Suárez to the Pittsburgh Pirates, with several sources suggesting he could be playing in the Steel City in 2026.

Click here to get Yardbarker's Quiz of the Day emailed to you!

The 'Top-50 all-time NFL rushers' quiz

The 'Most NFL pass completions' quiz

The 'NBA Christmas Day triple-doubles' quiz

The 'NFL rookie QBs to win a playoff game' quiz

Seattle Mariners News / Fastball on SI / December 27

Mariners All-Star Lands On Expert's List Of Top 10 Free Agents

It's awfully rare for a player to hit 49 home runs in a season and receive as little free-agent buzz as Eugenio Suárez is right now. Suárez's second stint with the Seattle Mariners seems to have tanked his value, even though he had a monster two-homer game in the American League Championship Series.

Seattle Mariners News / Seattle Mariners on SI / December 26

Mariners Minor League coach departs for MLB position

The Seattle system suffered a shock earlier this week when a prominent member of their Triple-A team decided to depart for the East Coast. Mariners utility player turned Tacoma Rainiers coach Shawn O’Malley is moving to the Washington Nationals, joining the MLB staff as an assistant hitting instructor.

Josh Naylor News / Seattle Mariners on SI / December 26

Since re-signing Josh Naylor, Mariners' front office has been put in a tough position

With three big free agents on their infield, the Seattle Mariners knew they would have to put in some serious work to hold on to key players in their infield.

Seattle Mariners News / Fastball on SI / December 26

Mariners Could Target Former All-Star As Potential Offensive Upgrade

The Seattle Mariners have had a mixed bag of an offseason thus far. They managed to keep Josh Naylor around for the next five years, but also lost Jorge Polanco to the New York Mets.

Colt Emerson News / Fastball on SI / December 26

Where Mariners Stand On Trading For Star Infielder, Calling Up Colt Emerson

The Seattle Mariners have some interesting long-term decisions to make when building this year's roster. After missing out on re-signing Jorge Polanco, who jumped to the New York Mets in free agency, the Mariners have been closely tied to a pair of big-name trade candidates: St.

Seattle Mariners News / Fastball on SI / December 26