Seattle Mariners: Breaking News, Rumors & Highlights

MLB Expert says the Mariners have every reason to believe they can win it all

If there's a bandwagon for the Seattle Mariners in 2026, then it's getting awfully crowded. From players to personnel people, many around the game believe they could be the squad that will dethrone the two-time defending Los Angeles Dodgers and take home the Commissioner's Trophy in early November.

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The Quiz of the Day

Brendan Donovan discusses how good the Mariners can be this year

It's pretty clear that new Seattle Mariners leadoff hitter Brendan Donovan already feels right at home in his brand new surroundings. Acquired in an offseason deal from the St.

Alex Hoppe News / Lookout Landing / February 24

Mariners Prospect Rankings #16, RHP Alex Hoppe

The only player in this year’s top twenty that joins our rankings from another major league organization, Alex Hoppe has received more coverage this offseason than he’s likely ever gotten in his life.

MLB News / Seattle Mariners on SI / February 24

The upgraded White Sox will visit the Mariners in Cactus League action

The Chicago White Sox have been in the gutter of Major League Baseball for quite a while now. Looking to turn things around in 2026, the Chi-Town South Siders are looking to reload and rebuild, but it's only been two years since the team set the record for the worst season ever, going 41-121.

Atlanta Braves News / Yardbarker Quizzes

The 'Cy Young winners of the 2000s' quiz

How many Cy Young winners from both leagues since the 2000 season can you name in five minutes?

The 'AL & NL strikeout leaders since 2000' quiz

The 'Live-Ball Era strikeout leaders' quiz

The 'Home run leaders by MLB team' quiz

Seattle Mariners News / Lookout Landing / February 24

Which non-Mariners pitcher and hitter are you most excited to watch this spring?

Shamelessly stealing this question from Jacob Hausdorf in the Moose Tracks yesterday because once Star Wars comes up, that’s just like tossing a package of snausages into a kennel, but I thought this question merited some focused discussion: Which non-Mariners pitcher and hitter are you most excited to watch this spring?

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.

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 / Seattle Mariners on SI / February 23

A pair of Mariners' pitching prospects are poised to punch out plenty of hitters

In a Spring with several swirling storylines, top Seattle Mariners pitching prospects, Kade Anderson and Ryan Sloan, are already looking sharp and appear aimed for big things.

Cole Young News / Seattle Mariners on SI / February 23

Highly-skilled Mariners infield prospect looks set to break out in 2026

For a few years now, we've been hearing about how highly the Seattle Mariners regard second base prospect Cole Young. The team's first-round selection (21st overall) in the 2022 Major League Baseball Draft, he certainly had all the tools to believe in him and his ability.

MLB News / Seattle Mariners on SI / February 23

Seattle Mariners fall to the Los Angeles Dodgers, 3-0, at Camelback Ranch

The Seattle Mariners visited Camelback Ranch in Glendale for Cactus League action against the defending World Series Champions, the Los Angeles Dodgers.

Cole Young News / Lookout Landing / February 23

Cole Young looks sharp on defense in Mariners 3-0 loss to Dodgers in Spring Training

Well, that was more spring baseball. The Mariners fourth Spring Training game on Monday was more of the same: weak at bats, sloppy play, and a bunch of names so unremarkable they didn’t even bother printing them on the jerseys.

Seattle Mariners News / Seattle Mariners on SI / February 23

Mariners will hit the road to face the defending World Series Champions

The Seattle Mariners will play the Dodgers on Monday in Glendale, Arizona, in LA's first home game of the Spring at Camelback Ranch. First pitch is scheduled for 12:05 Pacific Time.

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 / 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.

Josh Naylor News / Seattle Mariners on SI / February 22

Mariners first baseman Josh Naylor has fully embraced the City of Seattle

Well, it's become pretty obvious by now that one of the Seattle Mariners' best recent moves was acquiring first baseman Josh Naylor from the Cleveland Guardians late last season.

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The 'Last 1K-rushing-yard season by team' quiz

The 'Most NHL goals by an American' quiz

The 'Last 40-homer season by MLB team' quiz

The 'Most seasons played by NFL team' quiz

Seattle Mariners News / Lookout Landing / February 22

Seattle Mariners backup catcher battle: pick your pony

One of the things about having a more established team is there are fewer spring training roster battles. Backup catcher isn’t exactly the most glamorous

Seattle Mariners News / Last Word On Sports / February 22

Mariners Players Looking to Bounce Back in 2026

The Mariners enter 2026 with one of their deepest rosters in recent memory. In all departments, they look like a squad poised to back up their best season of the century.

Seattle Mariners News / Seattle Mariners on SI / February 22

Mariners Hall of Famer fields grounders with current players at Spring Training

It's still early, but Spring is already in the air for the Seattle Mariners. They have showcased a lot of talent at their Peoria, Arizona camp, as they prepare to defend their American League West Division championship.

Seattle Mariners News / Minor League Baseball on SI / February 21

Mariners' No. 5 Prospect Opens Eyes With Power Display in Spring Training Debut

Many Seattle Mariners fans are likely eager to see how their favorite team will build on their 2025 campaign, in which they came one win away from representing the American League in the World Series.

Mitch Garver News / Last Word On Sports / February 21

Mariners Bringing Back Mitch Garver: How He Fits With This Year’s Roster

The Seattle Mariners have re-signed backup catcher Mitch Garver to a minor league contract worth $2.25 million. Provided he makes the 26-man Major League roster at any point in 2026, with an invite to spring training included.

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.

Seattle Mariners News / MLB on ClutchPoints / February 21

The Mariners’ player with most to prove in spring training

There is a big hole in the Seattle Mariners’ history. They have been playing in the American League since 1977 and they have never won the American League pennant and have therefore never played in the World Series.

Seattle Mariners News / Athlon Sports / February 20

Cal Raleigh: 1-on-1 With the Seattle Mariners Superstar

[Editor's note: The following article comes from Athlon Sports' 2026 MLB Preview magazine, the most comprehensive MLB season primer on the market. Order your copy online now, or pick one up at newsstands and retail racks nationwide.] It’s mid-afternoon on a mid-November day, mere hours before that evening’s cocktail-attire MLB Awards show.

Cal Raleigh News / MLB on ClutchPoints / February 18

Mariners bring back veteran catcher to back up Cal Raleigh

The Seattle Mariners addressed catcher depth Wednesday by bringing back a familiar face ahead of spring training. The Mariners agreed to a minor league deal with veteran catcher Mitch Garver, adding competition behind Cal Raleigh as camp opens in Peoria.

Seattle Mariners News / Last Word On Sports / February 16

Mariners Spring Training: Camp Storylines and Prospects to Watch

Seattle Mariners spring training camp is already underway, with pitchers and catchers reporting last week and live batting practices beginning. With a

Seattle Mariners News / Minor League Baseball on SI / February 16

Top Mariners Pitching Prospect Dazzles Early in Spring Training

The Seattle Mariners are already known for having one of the best starting pitching staffs in professional baseball heading into the 2026 season. But that rotation could get even more dangerous relatively soon, at least based on some early spring training videos of the team's top pitching prospect.

Jesse Hahn News / MLB Trade Rumors / February 14

Blue Jays Sign Jesse Hahn To Minors Deal

The Blue Jays announced that right-hander Jesse Hahn has been signed to a minor league contract. The deal includes an invitation for Hahn to attend Toronto’s big league Spring Training camp.