Seattle Mariners: Breaking News, Rumors & Highlights

Rockies Capitalize After Mariners Fail To Sneak Hot Tacoma Arm Through Waivers

The Mariners knew what they were risking here. This was the kind of roster move that looked manageable until another team made sure it wasn’t. Blas Castaño had been one of Tacoma’s more effective arms to open the season, yet Seattle still had to expose him to waivers during a 40-man squeeze.

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The Morning Bark

The Quiz of the Day

The '50-HR, .300 average MLB seasons' quiz

How many of the 20 MLB players to bat .300 and mash 50 home runs in the same season can you name in five minutes?

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

The 'Multiple 130-RBI MLB seasons' quiz

The 'Most multi-HR games by MLB team' quiz

Casey Legumina News / MLB Trade Rumors / April 21

Mariners Designate Casey Legumina For Assignment

The Mariners announced that they have recalled right-hander Alex Hoppe. The righty will be making his major league debut as soon as he gets into a game.

MLB News / Yardbarker

25 current MLB players who will end up in the Baseball Hall of Fame

Some things appear clear when it comes to Baseball Hall of Fame voting. The PED guys aren’t going to get in, or at least the hitters, and the rubric for starting pitchers has to be reconstructed on the fly.

Colt Emerson News / Seattle Mariners on SI / April 21

Colt Emerson’s Strong Triple-A Start Comes With One Glaring Concern For Mariners Fans

Colt Emerson’s strong Triple-A start is giving Mariners fans exactly the kind of encouragement they wanted to see. The slash line looks healthy. The extra-base contact is there.

Seattle Mariners News / Athlon Sports / April 20

Mariners’ Dan Wilson Shares Reason for Colt Emerson Decision After Brendan Donovan’s Injury

The Seattle Mariners placed third baseman Brendan Donovan on the 10-day injured list Monday with a left groin strain, retroactive to April 18, and selected

Athletics News / Yardbarker

Who are the 25 fastest players in MLB right now?

Speed is more important than ever in MLB with recent rule changes promoting stolen bases. These were the 25 fastest players for the 2026 season, as recorded by the Statcast sprint speed metric.

Seattle Mariners News / MLB Trade Rumors / April 20

Mariners Place Brendan Donovan On IL, Select Will Wilson

The Mariners announced that they have selected the contract of infielder Will Wilson. He will take the active roster spot of infielder/outfielder Brendan Donovan, who has been placed on the 10-day injured list with a left groin muscle strain, retroactive to April 18th.

MLB News / Seattle Mariners on SI / April 20

Mariners Capitalize On Rangers’ T-Mobile Park Misery To Steal Another Crucial Series

It didn’t open with much suspense. The Mariners were shut out 5-0 on Friday and looked lifeless doing it. But by the time the series was over, Seattle had flipped the tone completely, taking the next two games and once again turning T-Mobile Park into a frustrating place for Texas to try to finish a series.

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The 'Playoff debut scoring-record by team' quiz

The 'NBA minutes-per-game leaders' quiz

The 'Stanley Cup Playoff hat-tricks' quiz

The 'Most NBA-debut points by NBA team' quiz

Seattle Mariners News / Lookout Landing / April 20

Seattle Mariners Minor League Roundup – Week Four

The Rainiers were able to secure a much needed series victory against the true Sacramento ball club by a score of 4-2, downing the River Cats with good pitching and just enough offense.

Kade Anderson News / Seattle Mariners on SI / April 20

Kade Anderson Keeps Backing Up Mariners Prospect Hype With A Sharp Double-A Start

There is always a little danger in falling too hard for a pitching prospect at the beginning of the season. We know how this goes. A few dominant outings and the buzz starts humming.

Bryan Woo News / Field Level Media / April 19

Bryan Woo sets down 15 straight as Mariners drop Rangers

Bryan Woo pitched seven strong innings for his first victory of the season and was backed by three home runs as the Seattle Mariners defeated the visiting Texas Rangers 5-2 on Sunday afternoon.

Bryce Miller News / Lookout Landing / April 19

Mariners Bryce Miller hits 98.6 mph in first rehab start for Tacoma

Mariners pitcher Bryce Miller made his first start in a competitive game since February 26th yesterday in Tacoma, beginning a rehab assignment that will last through at least the end of May.

MLB News / Field Level Media / April 18

George Kirby the answer to Mariners beating Rangers this season

George Kirby continued his mastery of the Texas Rangers, allowing one run over 5 2/3 innings, as the host Seattle Mariners posted a 7-3 victory Saturday against their American League West rivals.

Seattle Mariners News / Athlon Sports / April 18

Mariners’ Dan Wilson Shares Brendan Donovan Injury Update After Leaving Rangers Game

Following a 5-0 loss to the Texas Rangers, the Seattle Mariners are looking to bounce back in their next game. Manager Dan Wilson offered an update on third baseman Brendan Donovan, who exited the game after speaking with trainers in the dugout.

MLB News / Field Level Media / April 18

'Patient' Mariners chase elusive win vs. Rangers

Seattle Mariners manager Dan Wilson is preaching patience. Which is exactly what long-suffering fans of the Seattle Mariners -- a franchise celebrating its 50th anniversary season while still seeking its first World Series appearance -- don't want to hear.

Bryce Miller News / MLB Trade Rumors / April 18

Bryce Miller To Make Rehab Start

Mariners right-hander Bryce Miller will head out on a rehab assignment this weekend. The 27-year-old is working his way back from an oblique injury. He’ll start for Triple-A Tacoma on Saturday, general manager Justin Hollander told reporters, including Daniel Kramer of MLB.com.

Seattle Mariners News / Larry Brown Sports / April 17

Mariners broadcaster defends AI use after unjust criticism

Seattle Mariners broadcaster Angie Mentink, a respected figure in MLB media since 1997, recently faced unwarranted online criticism after a short video surfaced showing her using Google Gemini to generate ideas for postgame interview questions following a tough loss.

Cal Raleigh News / Athlon Sports / April 16

Mariners’ Cal Raleigh Makes Off-Field Announcement Amid MLB Season

The Seattle Mariners are off to a disappointing start to open the 2026 MLB season, entering Thursday’s game against the San Diego Padres with an 8-11 record, tied for last in the American League West.

Emerson Hancock News / Just Baseball / April 16

Emerson Hancock looks like Seattle Mariners' next young star pitcher

The Seattle Mariners have had a slew of arms come through their system and blossom over the past few seasons. It all started with Logan Gilbert in 2021, followed by George Kirby, Bryan Woo, and Bryce Miller, giving the Mariners one of the best rotations in baseball.

Seattle Mariners News / Inside The Diamonds / April 14

Seattle Mariners Roster Moves 04/14/2026

The Seattle Mariners have started their year off with an 8-9 record. They are currently a game and a half back in the AL West, tied for third place with the Angels.

Colt Emerson News / Minor League Baseball on SI / April 14

Mariners' Top Prospect Colt Emerson on Verge of MLB Debut, Exec Suggests

The Seattle Mariners' top prospect, infielder Colt Emerson, could be set to make his major league debut soon, at least based on recent comments from one of the team's executives.

Bryce Miller News / MLB on ClutchPoints / April 13

Mariners share Bryce Miller injury update that teases big next step forward

The Seattle Mariners received encouraging news as Bryce Miller’s latest injury update signals meaningful progress. The pitching rotation could soon receive a boost, with a potential rehab assignment on the horizon as his recovery from an oblique strain improves.

MLB News / Yardbarker / April 13

Josh Naylor breaks out of slump in Mariners' sweep of Astros

Seattle Mariners first baseman Josh Naylor snapped out of an early-season funk with a huge game to close out a four-game sweep of the slumping Houston Astros.

Astros’ free agency splash already dealing with an injury

Dodgers' Dave Roberts addresses Roki Sasaki's struggles after loss to Rangers

Why fans shouldn't panic about MLB stars' early-season struggles

Four surprise players to open the MLB season

The 'Most home runs by a switch hitter' quiz

Colt Emerson News / MLB on ClutchPoints / April 13

Mariners top prospect Colt Emerson’s MLB timeline receive massive update

The Seattle Mariners signed top prospect Colt Emerson to what was then a record-setting $95 million contract extension. All before he made his debut at the MLB level.

Cal Raleigh News / Stadium Rant / April 11

Why the Seattle Mariners Are Struggling in 2026: Rodríguez, Raleigh and Pitching Issues

The 2026 season was supposed to be a defining year for the Seattle Mariners—a campaign where promise finally turned into sustained contention. Coming off seasons of gradual improvement, Seattle entered the year with a balanced roster, a strong pitching foundation, and star power capable of carrying the offense.

Ichiro Suzuki News / Yardbarker / April 11

Ichiro Suzuki's statue unveiling goes poorly for Mariners

The Seattle Mariners unveiled a statue for Ichiro Suzuki, one of the team's greatest all-time players, on Friday, and in a testament to how the season has gone so far, the ceremony ended with a bat issue.

Yankees legend Alex Rodriguez announces personal news

Padres untouchable closer showcasing dominance early this season

Dave Roberts defends Shohei Ohtani's special treatment after backlash

Braves' Drake Baldwin may not have enough to dethrone Ohtani

Rookie Brandon Valenzuela slugs first MLB HR, powers Blue Jays to victory