Seattle Mariners: Breaking News, Rumors & Highlights

Seattle Mariners select Mississippi State 3B Ace Reese in 2026 MLB Draft

Mississippi State third baseman Ace Reese was selected by the Seattle Mariners with the No. 24 overall pick in the 2026 MLB Draft. A borderline Top 20 ranked prospect is off the board.

Features

The Morning Bark

The Quiz of the Day

The Seattle Mariners’ 2026 MLB Draft picks

The 2026 MLB Draft is upon us! We will be writing up each selection by the Seattle Mariners in the M’s draft, with articles you’ll be able to read and find collected right here in this stream.

Seattle Mariners News / Lookout Landing / July 11

Draft targets for the Mariners beyond the first round

We’ve spent some time going over the first-round options for who the Mariners might pick at 24, but the Mariners also have three more picks to make on Day One: picks 65, 101, and 129.

Seattle Mariners News / Lookout Landing / July 10

Mariners lose in Florida again

The Mariners lost 7-2 to the Rays on Friday. Usually, I take notes when I recap games. Not today. I didn’t think the Mariners were going to win. I hate when people say that, too.

Philadelphia Phillies News / Yardbarker Quizzes

The 'Active MLB XBH leaders' quiz

How many of the active MLB players to rack up at least 500 extra base hits in their career can you name in five minutes?

The 'MLB All-Star Game MVPs' quiz

The 'MLB active HR leaders' quiz

The 'Active 200-K season leaders' quiz

Seattle Mariners News / Seattle Mariners on SI / July 10

Where the Seattle Mariners Pick in Every Round of the 2026 MLB Draft

The Seattle Mariners will make 20 selections during the 2026 MLB Draft, beginning with the No. 24 overall pick in the first round. There should still be hype around this year’s draft.

Athletics News / Yardbarker

The 20 greatest MLB teams to never win the World Series

Even the most successful regular-season teams in Major League Baseball have failed to win it all. Here's our list of 20 such clubs that fall into that category.

Nick Anderson News / Inside The Rink / July 10

ECHL: Maine Mariners Re-Sign Nick Anderson

The Maine Mariners are bringing back defenseman Nick Anderson, as he’s signed an ECHL contract for the 2026-27 season. The game seven hero is their first player signing of the season.

Seattle Mariners News / Seattle Mariners on SI / July 10

Mariners Probable Starters vs. Rays: What to Watch For as Seattle Looks to Cure Its Road Woes

The Mariners walked into loanDepot Park having never won a road series there. They left Miami with the same problem and three more losses attached to it.

Seattle Mariners News / Lookout Landing / July 10

The Seattle Mariners 2026 mock draft roundup

Tis the season for mockery. No, the long-hoped for Make Some Noise x Whose Line Is It Anyway crossover hasn’t occurred beyond Wayne Brady, but with the MLB Draft just a day away, we’ve collected a round-up of mock drafts for readers to consider and compare the expertise of.

Colt Emerson News / Seattle Mariners on SI / July 10

Mariners Shouldn’t Be Shocked Colt Emerson’s Biggest Flaw Followed Him to MLB

Colt Emerson’s slump is not good. We won’t excuse him from that. Over his last 15 games, he’s slashing .170/.250/.234 with 21 strikeouts and five walks.

MLB News / Field Level Media / July 10

Mariners seek better luck in Florida in opener vs. Rays

The first half of the Seattle Mariners' six-game road trip to Florida has not played out like a typical summer vacation in the Sunshine State. After being swept in their three games against the red-hot Miami Marlins, the Mariners will visit St.

Seattle Mariners News / Seattle Mariners on SI / July 9

One Position the Mariners Have Failed to Develop in the Minors, and Why the MLB Draft Matters

The Mariners have had their share of homegrown stars. That part has never been the problem. They drafted and developed Ken Griffey Jr., Alex Rodriguez, Jason Varitek, and Tino Martinez.

MLB News / Yardbarker

25 MLB players most likely to be traded by the deadline

The MLB Trade Deadline has been quieter in recent years, in part due to playoff expansion, but 2026 is shaping up to be a more exciting one with several big names.

MLB News / Lookout Landing / July 9

Mariners pay for their mistakes, get swept in Miami

At one point Thursday, the Mariners theoretically had a chance to come away with a game from their three-game set against the Marlins. As it turns out, that chance was short-lived.

Luis Castillo News / MLB on ClutchPoints / July 9

Braves’ perfect trade offer for Mariners’ Luis Castillo

The Atlanta Braves know what it takes to be a World Series contender and as the trade deadline approaches, their front office is reportedly keeping a very close eye on Seattle Mariners ace Luis Castillo.

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

The 'Women's Wimbledon champions' quiz

The 'Most three-pointers by NBA team' quiz

The '60-point NBA games' quiz

The '2026 American League All-Stars' quiz

Seattle Mariners News / Seattle Mariners on SI / July 9

Jeff Passan Nailed the Mariners’ Cleanest Trade Deadline Solution

There was no reason to overthink this one. It’s no secret by now that the Mariners are in need of a right-handed bat. But more importantly, it’s what kind of right-handed bat they need.

Luis Castillo News / MLB on ClutchPoints / July 9

Mariners rumors: Why Luis Castillo is most likely starter trade despite return to form

It has been an up-and-down season for Mariners starter Luis Castillo, as he has not displayed the dominance he once had. But there has been improvement in recent outings. Despite his improvement, he may still be traded away, according to Ken Rosenthal of The Athletic.

Bryce Miller News / Field Level Media / July 9

For M's to reach playoffs, Bryce Miller must be at his best; Marlins up next

The Seattle Mariners -- the only active MLB franchise never to play in a World Series -- may have a shot to end that drought this year. After all, the Mariners are in first place in the American League West, and they are coming off a 2025 season during which they reached the American League Championship Series.

Brendan Donovan News / Athlon Sports / July 8

Mariners Receive Brendan Donovan News After 44 Straight Missed Games

The Seattle Mariners have stumbled so far in the 2026 MLB season. Heading into play Wednesday they are 47-45, good enough for first place in a weak American League West.

Stuart Fairchild News / MLB Trade Rumors / July 8

Mariners Sign Stuart Fairchild To Minor League Deal

The Mariners added outfielder Stuart Fairchild on a minor league contract after he rejected an outright assignment with the Guardians earlier this week and instead opted for free agency.

Seattle Mariners News / Minor League Baseball on SI / July 6

Mariners Prospects Lazaro Montes, Michael Arroyo Move One Step Closer to Majors

Two of the Seattle Mariners' top prospects are set to be promoted to the next level in the minor leagues. Lazaro Montes and Michael Arroyo are expected to join the Triple-A Tacoma Rainiers, the Mariners announced on Monday.

Cal Raleigh News / Yardbarker / July 4

Big Dumper to Big Slumper: Is Mariners' Cal Raleigh a one-hit wonder?

Widely known as the ''Big Dumper'' who crushed a career-high 60 home runs and was the 2025 Home Run Derby champion, Cal Raleigh has significantly underperformed this season. Is he a one-hit wonder?

Comparing the struggles of Vladimir Guerrero Jr. and Cal Raleigh in 2026

Five MLB players in the AL who deserve contract extensions

Dodgers hit with alarming Shohei Ohtani prediction

Mets' Steve Cohen makes big admission, promise amid woeful season

MLB News / Yardbarker / July 3