Seattle Mariners: Breaking News, Rumors & Highlights

Seattle GM Justin Hollander says two prominent pitching prospects could debut in 2026

It's aleady been quite a Spring for the Seattle Mariner's top two pitching prospects, lefthander Kade Anderson and righty Ryan Sloan. The pair of young starters have been bowing away their teammates and coaches with their sensational stuff.

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The Morning Bark

The Quiz of the Day

Cal Raleigh Makes Announcement Ahead of 6th Mariners Season

The Seattle Mariners had one of the best seasons in franchise history last year, coming just one win short of reaching their first ever World Series. Fortunately

Seattle Mariners News / Lookout Landing / March 3

Mariners Spring Training 2026, Game #11

After a restful off-day, the Mariners are back in action today with another televised game. J.P. Crawford returns to the lineup today at DH for the first time since the opening game of spring training, while Bryan Woo makes his second start of the spring.

Seattle Mariners News / Lookout Landing / March 3

Mariners Prospect Rankings #14, RHP Christian Little

By our means of ranking prospects here on the site, RHP Christian Little is largely de facto roof of a tier of M’s prospects. Very little separated Little, Tyler Cleveland, Alex Hoppe, Jared Sundstrom, Mason Peters, and Charlie Beilenson, while Thursday’s prospect will have as much separation from Little as he from Beilenson at 19th.

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

Brendan Donovan News / Seattle Mariners on SI / March 3

MLB Announcer calls Mariners' Brendan Donovan a 'humongous, tremendous' addition

By now, the votes are in, and it's official: Acquiring Brendan Donovan already looks like one of the best moves in Seattle Mariners' franchise history.

Athletics News / Yardbarker

One storyline to follow for every MLB team in 2026

As Spring Training opens for 2026, all 30 teams have high hopes and big questions. These are the storylines to follow for each team heading into Opening Day.

Seattle Mariners News / Last Word On Sports / March 2

Mariners Position Battle for Second Base

With the 2026 season approaching, the question of the Opening Day starting lineup is arising. The main question is, who will be the starting second baseman, with a few options to choose from.

Brendan Donovan News / Total Pro Sports / March 2

'Does Just About Anything You Need To Win' – Mariners President Hails 'Missing Ingredient' Brendan Donovan

Brendan Donovan became a hot commodity on the trade market this winter after his excellent 2025 campaign for the St. Louis Cardinals. Several organizations reportedly pursued Donovan for a two-month period in the offseason to no avail.

Ryan Sloan News / Seattle Mariners on SI / March 2

19-year-old Ryan Sloan brings the heat in the Mariners loss to the Rangers

If wins and losses mattered in Spring Training? Then the Mariners fan base would be in panic mode over the current losing trend taking place out in Peoria, Arizona.

Seattle Mariners News / Last Word On Sports / March 2

Mariners Storylines to Watch Out for at the WBC

With MLB Opening Weekend fast approaching, the season is now upon us. The Seattle Mariners will be the most represented team in the WBC with 16 players reporting for their respective countries.

Seattle Mariners News / Lookout Landing / March 1

Mariners News, 3/1/26: Bryce Miller, Josh Hader, and Starling Marte

Happy Sunday everyone! It’s becoming a bit of a pattern for the Sunday links to prominently feature Kade Anderson. I wonder if that will end next week.

Kade Anderson News / Seattle Mariners on SI / February 28

Kade Anderson makes an outstanding debut, but the Mariners lose 7-1 to San Diego

The Seattle Mariners dropped another Cactus League contest, 7-1, to the San Diego Padres on Sunday afternoon. Despite getting off to a good Spring Training start, the loss drops their record in exhibition action to 3-5-1.

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.

Bryce Miller News / Athlon Sports / February 28

Bryce Miller's Sudden Injury Leaves Mariners With Rotation Question

The Seattle Mariners are expected to have one of the best starting rotations in all of MLB this season. On Saturday, however, Daniel Kramer of MLB.com revealed that right-handed starter Bryce Miller is dealing with an injury concern.

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The 'Most passing + rushing TD games' quiz

The 'NBA 30-point game leaders' quiz

The 'College basketball mythical mascots' quiz

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

Seattle Mariners News / MLB on ClutchPoints / February 28

Mariners’ JP Crawford, Bryce Miller receive important spring training injury updates

The Seattle Mariners are facing a challenging start to the 2026 spring training season as they aim to build on their recent ALCS appearance. Earlier this month, there was optimism surrounding young pitcher Bryce Miller, who reported feeling 100% after an elbow injury hampered his 2025 season.

George Kirby News / Seattle Mariners on SI / February 28

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.

MLB News / Seattle Mariners on SI / February 28

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.

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.

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

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 / 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.

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.

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.