Seattle Mariners: Breaking News, Rumors & Highlights

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 / 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.

Kyle Schwarber 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

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.

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.

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 / 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

Cubs’ perfect trade offer for Mariners’ Luis Castillo

The Chicago Cubs are quietly shaping up to be one of the more interesting trade deadline buyers in the National League and their rotation needs make a run at Seattle Mariners right-hander Luis Castillo a logical move.

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.

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.

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.

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

The 'Most three-pointers by NBA team' quiz

The '60-point NBA games' quiz

The '2026 American League All-Stars' quiz

The '2026 National League All-Stars' quiz

Jerry Dipoto News / Seattle Mariners on SI / July 9

Jerry Dipoto’s Deadline Comment Could Signal a Different Kind of Mariners Trade

Jerry Dipoto didn’t exactly bury the lede. He didn’t name a specific player or team, but when he started talking about buyer-to-buyer trades with the trade deadline approaching, we should probably read between the lines. This didn’t sound like Dipoto’s traditional word salad.

Brendan Donovan News / Seattle Mariners on SI / July 8

Mariners Should Plan to Finish Season Without Brendan Donovan After Latest Rehab Detour

It’s been a common topic that the Mariners don’t need to do anything drastic with the trade deadline approaching. They could look at the injured list, point at the names coming back, and convince themselves that the best additions were internal.

Seattle Mariners News / Lookout Landing / July 8

Mariners Play Boring Game in Boring Stadium, Lose 2-0

I don’t want to write this recap. The Mariners lost 2-0 to the Marlins on Wednesday. It was a very boring game. George Kirby pitched well, in the way that George Kirby often pitches well, but not in the way that he pitched so well as to be newsworthy.

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