Seattle Mariners: Breaking News, Rumors & Highlights

MLB Insider believes pitcher George Kirby could be key to Mariners' World Series hopes

It's no secret that the Seattle Mariners have one of the very best young rotations in Major League Baseball, with five hurlers all on the front side of their careers.

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The Arizona Diamondbacks defeat the Mariners, 3-1, on a dusty, desert night

The Seattle Mariners played their first night game of the Spring, but their offense went into a slumber against the Arizona Diamondbacks. The Snakes scored three early runs that proved to be all they needed as Seattle sputtered to a 3-1 loss.

MLB News / Lookout Landing / February 28

Mariners lose sleepy Cactus League contest to Diamondbacks, 3-1

It’s another latercap, brought to you by my charming inability to plan ahead and impetuous decision-making, which has led to me sitting in the parking lot of this Peoria Lowe’s using their free wi-fi to push out a recap of a 3-1 Mariners loss to the Diamondbacks that will be as stale as old coffee tomorrow, but the completist in me insists.

Seattle Mariners News / Inside The Rink / February 28

ECHL Game Recap: Maine Mariners vs Adirondack Thunder | 02/27/2026

The Adirondack Thunder kicked off Stick It To Cancer Night on Friday Night as they looked to extend their win streak against the Maine Mariners. Coming into the game, both teams had been playing some good hockey as the Maine had won their last five games, all of which came on the road.

CC Sabathia News / Yardbarker Quizzes

The 'A.L. wins leaders since 2000' quiz

How many of the starting pitchers to lead the American League in wins since the 2000 season can you name in five minutes?

The 'Live-Ball Era strikeout leaders' quiz

The 'American League Cy Young winners' quiz

The 'MLB All-Star Game starting pitchers' quiz

Luis Castillo News / Athlon Sports / February 27

Mariners' Luis Castillo Made 1 Pivot That Could Change Everything

The Seattle Mariners feature one of the best starting rotations in all of MLB. Bryan Woo was a breakout star last year, while Logan Gilbert is an ace-caliber starter.

Athletics News / Yardbarker

25 MLB players that could be traded during the 2026 season

The 2026 MLB season is right around the corner, and it is never too early to start thinking about how it might unfold. Seemingly, every year, we have a decent handle on who should contend and who is likely to struggle, which makes looking ahead to the trade deadline inevitable.

Seattle Mariners News / Seattle Mariners on SI / February 27

Mariners General Manager says infield prospect is ‘showing us that he’s ready’

For Seattle Mariners prospect Cole Young, 2026 is all about redemption. Not in the biblical sense, but more like a blessing in the baseball world. After one failed audition at the big league level, the 22-year-old infielder wants to show everyone that he's not just a product of hype.

Kade Anderson News / Seattle Mariners on SI / February 27

21-year-old Kade Anderson will start for Seattle on Saturday

The Seattle Mariners announced on Thursday that left-handed pitcher and first-round pick Kade Anderson will get the start on Saturday, according to Roundtable Sports.

Seattle Mariners News / Lookout Landing / February 27

What are your way-too-early Seattle Mariners Spring Training hot takes? The hotter, the better

Happy Friday! We’ve got a whopping seven games of Mariners Spring Training under our collective belts and it’s high time to foolishly prognosticate! Here are some prompts: What is your favorite Spring Training story line that is emerging so far?

Seattle Mariners News / Seattle Mariners on SI / February 27

Colt Emerson's rise with the Mariners is being compared to Julio Rodriguez in 2022

From Ken Griffey Jr to Julio Rodriguez, the Seattle Mariners have had their share of fantastic phenoms in their history. Now, the M's have another early bloomer in their midst, as Colt Emerson's almost unbelievable path to The Show mimics that of Seattle's current franchise player.

MLB News / Lookout Landing / February 27

Mariners defeat Guardians 8-7: This is a long drive for someone with baseball to think about

This recap is late because it is being typed out on the bar of a lovely establishment in Twin Falls, Idaho, called Scooter’s. I am on my way to spring training and listened to this game – even though it was televised – while driving up and down various mountain passes.

Seattle Mariners News / Seattle Mariners on SI / February 26

Will Julio Rodriguez win his first Gold Glove in 2026?

Despite being one of the best overall offensive weapons in Major League Baseball today, Julio Rodrigueznever rests on just his performance in the batter's box.

MLB News / Yardbarker

25 MLB players who have the most to prove in 2026

The new MLB season brings opportunities as players head into their walk years and try to rebound from subpar performances. These 25 players stand out heading into 2026.

Should Red Sox trade for former All-Star infielder?

Mariners getting needed bat in All-Star Brendon Donovan via three-team deal with Cardinals, Rays

Giants CEO calls Dodgers a 'dragon to slay'

Yankees' latest endeavor points to a Jasson Dominguez mistake waiting to happen

Top of Phillies' rotation is elite, but also comes with questions

Seattle Mariners News / Last Word On Sports / February 26

What to Look for in This Mariners 2026 Season

The Seattle Mariners are coming off a historic 2025 season. Making it further into the postseason than ever before since becoming a franchise in 1977. They were only eight outs away in Game Seven from a World Series appearance.

Seattle Mariners News / Last Word On Sports / February 26

The Mariners’ Bullpen Blueprint: Trade Fits – Part Two

The Seattle Mariners’ bullpen construction is not accidental. Each pitcher has a defined role within the unit. They all fit into a clear blueprint that

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The 'College basketball mythical mascots' quiz

The 'A.L. wins leaders since 2000' quiz

The 'Most multi-three NBA games' quiz

The 'Cy Young winners of the 2000s' quiz

Seattle Mariners News / Seattle Mariners on SI / February 26

Mariners reliever Matt Brash back after missing a few days due to a dental issue

Matt Brash had more than mouthful of problems over the past week, as a swollen area around one of his teeth had him unavailable for a few days. Luckily, it was diagnosed by the team's staff and he was able to get dental surgery, but the swelling in its aftermath left the 27-year-old Mariner miserable.

Tyler Cleveland News / Lookout Landing / February 26

Mariners Prospect Rankings #15, RHP Tyler Cleveland

After a dominant 2025 season across two separate levels, Tyler Cleveland joins our Mariner prospect ranks at #15 this season. Given a boost thanks to recent

Bryan Woo News / Seattle Mariners on SI / February 26

Mariners ace Bryan Woo talks about being a more vocal leader in 2026

For the past couple of seasons, Mariners starting pitcher Bryan Woo was considered somewhat of a 'quiet warrior', the kind of player who lets toughness do most of the talking.

Ken Griffey News / Sneakers on SI / February 26

Ken Griffey Jr.'s Nike Sneakers Return in Retro Mariners Colors

Spring Training is here, and it is the most wonderful time of the year for baseball fans. Even better, all of the major brands are rolling out new and retro gear to celebrate the start of the new season.

Seattle Mariners News / Last Word On Sports / February 25

The Mariners’ Bullpen Blueprint: Defining Their Profile – Part 1

The Seattle Mariners have built one of the best bullpens in baseball, whether by trade or by player development. Seattle has become known not only for their ability to identify talent but also to develop it — often seeing certain traits others may not see and moulding a player to fit the Seattle mould.

Seattle Mariners News / New Baseball Media / February 25

2025-26 MLB Offseason Recap: Seattle Mariners

The 2025 Seattle Mariners came one win away from the team’s first-ever American League pennant. While Seattle was unsuccessful in its quest for a World Series berth, the team is still very much a contender to make it to the Fall Classic in 2026.

J.P. Crawford News / MLB on ClutchPoints / February 25

Mariners’ J.P. Crawford’s shoulder injury forces spring training ‘slow play’

After falling in seven games to the Toronto Blue Jays in the American League Championship Series in 2025, the Seattle Mariners have high hopes in 2026.

Bryan Woo News / Total Pro Sports / February 25

MLB Insider’s Bold Seattle Mariners-Bryan Woo Verdict Will Send Fans Into a Frenzy

The Seattle Mariners enjoyed a somewhat unexpected but hugely successful 2025 campaign after claiming the American League West title. In a strong postseason run, they went agonizingly close to clinching the AL pennant before losing the Champions Series to the Toronto Blue Jays.

Julio Rodriguez News / MLB on ClutchPoints / February 24

Mariners star Julio Rodriguez issues clear statement after posting career highs in 2025

The Seattle Mariners received a calm yet powerful message from their franchise star as spring training ramps up in Peoria. Julio Rodriguez, fresh off career highs in 2025, has made it clear that his next leap in the 2026 season will be fueled by trust—not tension.

Seattle Mariners News / MLB on ClutchPoints / February 24

Analyst drops 3 extremely bold 2026 Mariners predictions

The Seattle Mariners just picked up one of the boldest preseason endorsements on the MLB landscape, and it came with specific numbers attached. During an appearance on Seattle Sports’ “Brock & Salk” show, MLB Network host Greg Amsinger predicted 98 wins, a World Series trip and a Cy Young breakthrough season for Bryan Woo in 2026.

MLB News / MLB Trade Rumors / February 23

Mariners Were Reluctant To Discuss Cole Young In Ketel Marte Talks

Among players who were not traded this offseason, few found themselves in more rumors than Ketel Marte. Arizona general manager Mike Hazen maintained throughout the winter that a trade was unlikely and said last month that talks never got close to a deal.

Seattle Mariners News / Total Pro Sports / February 23

Seattle Mariners 2026 Projected Lineup: Batting Order, Rotation & More

The Seattle Mariners enjoyed a highly successful 2025 campaign, undoubtedly one of the most memorable in the history of the franchise. However, they are still pursuing the maiden World Series crown for their loyal fanbase.

Seattle Mariners News / Total Apex Sports / February 21

Can the Seattle Mariners Overcome Less Power and Still Win In 2026?

The Seattle Mariners are heading into Spring Training with a roster that looks oddly familiar—and that’s actually a good thing. After their deepest playoff run in franchise history last season, the M’s are bringing back most of the squad that got them there.