Seattle Mariners: Breaking News, Rumors & Highlights

Predicting Mariners’ biggest move before MLB trade deadline

The Seattle Mariners have built one of the deepest starting rotations in baseball, and that strength could ultimately lead them to make one of the most surprising moves before the MLB trade deadline.

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The Morning Bark

The Quiz of the Day

Ranking the Mariners Pitchers Who Could Follow the Reds’ Chase Burns Extension Blueprint

The Cincinnati Reds just handed the Mariners a reason to start thinking seriously about what the future of their pitching staff looks like. Per Jon Morosi, they agreed to a seven-year, $105 million extension with Chase Burns, setting a record for the largest guarantee ever given to a pitcher with fewer than four years of major-league service.

Brendan Donovan News / MLB on ClutchPoints / July 16

Mariners’ Brendan Donovan gets key injury update before second half of season

Seattle Mariners infielder Brendan Donovan is working his way back from a groin injury. Donovan, who was acquired by Seattle from the St. Louis Cardinals during the offseason, has missed almost two months due to the injury.

Brendan Donovan News / Seattle Mariners on SI / July 15

Cardinals’ Latest Promotion Adds Pressure to Mariners’ Brendan Donovan Trade

Welp. This is only going to get more awkward. The Mariners made one of the loudest moves of the offseason when they traded Jurrangelo Cijntje and Tai Peete to the St.

Cody Bellinger News / Yardbarker Quizzes

The 'MLB All-Star Game MVPs' quiz

MLB began awarding the All-Star Game MVP Award during the 1962 season. How many of the MVPs since then can you name in eight minutes?

The 'National League MVPs' quiz

The 'MLB Home Run Derby winners' quiz

The 'MLB All-Star Game managers' quiz

Kade Anderson News / Seattle Mariners on SI / July 14

Kade Anderson Sends Clear Message About Potential Mariners Call-Up

Kade Anderson knows exactly what Mariners fans are thinking. He hears the chatter. Seattle is trying to stay in the postseason race. The bullpen has dealt with injuries and enough moving pieces to make every dominant Anderson start feel like an invitation.

MLB News / Yardbarker

Every first-overall MLB draft pick from the 21st century

The MLB Draft doesn’t get the same attention as the NFL Draft…or the NBA Draft…or even the NHL Draft. There’s the element of a stay in a farm system, the general lack of immediate impact for MLB draft picks, and the fact that it’s tougher for one MLB player to turn a franchise’s fortunes around.

Seattle Mariners News / Seattle Mariners on SI / July 14

Mariners Prospect Michael Arroyo Is Separating Himself From Lazaro Montes

Michael Arroyo and Lazaro Montes arrived in Triple-A at the same time, but they haven’t arrived at the same place developmentally. Six games are not enough to shake up the prospect rankings or demand a major league promotion.

Ken Griffey News / Kicks on SI / July 14

Nike Restocked Ken Griffey Jr.'s Sneakers for the MLB All-Star Game

The 2026 MLB All-Star Game is tonight, but it is a retired baseball player who continues to have the largest influence in the sneaker world. Seattle Mariners legend Ken Griffey Jr.'s Nike sneakers recently sold out in a special-edition colorway celebrating HBCU players.

Randy Arozarena News / Seattle Mariners on SI / July 13

Randy Arozarena Has Become the Mariners’ Version of Marvel’s Sentry

Okay, give this a chance. Promise that it’ll make sense. Watching Randy Arozarena play baseball has some parallels to Marvel’s comic book character Sentry.

Seattle Mariners News / Inside The Diamonds / July 13

Seattle Mariners Sign First-Round Pick

The Seattle Mariners drafted third baseman Ace Reese with the 24th overall pick in Saturday’s draft. Today, they signed him for $3.5 million. The 24th overall pick has a $3,818,700 slot value.

Seattle Mariners News / Seattle Mariners on SI / July 13

Why NIL Pushed the Mariners Toward College Players in the 2026 MLB Draft

If you were keeping tabs on the Mariners’ 2026 MLB Draft, you would’ve noticed the absence of high school talent on their draft board. Apparently, it was entirely intentional.

Julio Rodriguez News / MLB on ClutchPoints / July 13

Mariners’ Julio Rodriguez receives encouraging injury update before All-Star break

The Seattle Mariners placed Julio Rodriguez on the 7-day IL in early July after he suffered a concussion in the 1-0 win over the Los Angeles Angels on July 2.

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.

Luis Castillo News / Seattle Mariners on SI / July 13

Mariners May Be Ready to Cash In Luis Castillo at the Trade Deadline

We’ve spent years calling the Mariners’ starting pitching their greatest strength. Now it may be time they finally deal from it. According to USA Today’s

MLB News / Field Level Media / July 12

Mariners beat Rays, avoid winless stay in Florida

Weston Wilson and Randy Arozarena each went deep in Seattle's four-run fourth inning Sunday afternoon, and the Mariners salvaged one win on their six-game Florida road trip by defeating the Tampa Bay Rays 8-2 in St.

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The 'MLB All-Star Game MVPs' quiz

The 'MLB Home Run Derby winners' quiz

The 'MLB All-Star starting pitchers' quiz

The 'NBA blocks champions' quiz

Emerson Hancock News / Field Level Media / July 12

Mariners starter Emerson Hancock leaves with hand injury

Seattle Mariners right-hander Emerson Hancock left Sunday's game against the Tampa Bay Rays in the second inning after suffering an injury to his pitching hand.

Seattle Mariners News / Athlon Sports / July 12

Mariners Injury Updates: When Will Julio Rodriguez, Brendan Donovan Return?

The Seattle Mariners remain optimistic about the recoveries of Julio Rodriguez and Brendan Donovan, though neither player is expected back immediately after the All-Star break. Manager Dan Wilson said Rodriguez continues progressing through concussion protocol in Seattle, while Donovan is still working toward the start of a rehab assignment.

Seattle Mariners News / 5 GOATs / July 12

Seattle Mariners select Tennessee 3B Henry Ford in 2026 MLB Draft

Tennessee third baseman Henry Ford was selected by the Mariners with the No. 191 overall pick in the sixth round of the 2026 MLB Draft. After spending his first two collegiate seasons at Virginia, Ford transferred to the University of Tennessee for his junior campaign.

Seattle Mariners News / MLB on ClutchPoints / July 12

1 trade Mariners must not make at 2026 MLB trade deadline

The Seattle Mariners have a huge problem. The team that was just a couple of innings away from winning the American League pennant and going to its first World Series in team history a season ago has lost its offensive mojo.

MLB News / Field Level Media / July 12

Mariners aren't finding key hits on Florida road swing, to the benefit of Rays

During a seven-game homestand that will end Sunday afternoon against the Seattle Mariners in St. Petersburg, Fla., the Tampa Bay Rays have been getting contributions up and down the lineup.

Seattle Mariners News / 5 GOATs / July 11

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.

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.

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

Mariners' Randy Arozarena had the worst ABS challenge game of the season

Seattle Mariners outfielder Randy Arozarena did not have a very productive first at-bat on Friday night against the Toronto Blue Jays.

Cubs on wrong side of history after blowout loss to Cardinals

Blue Jays' Kazuma Okamoto earns June AL Rookie of the Month award

Why Spencer Miles fits the Blue Jays' 2027 rotation picture

Five MLB players in the AL who deserve contract extensions

Seattle Mariners News / MLB Trade Rumors / July 3

Mariners Place Julio Rodríguez On Concussion IL

The Mariners announced that outfielder Julio Rodríguez has been placed on the seven-day concussion injured list. Infielder/outfielder Miles Mastrobuoni has been selected to take his place on the roster.

Seattle Mariners News / Just Baseball / June 30

Dominic Canzone’s Rise Could Make Him an All-Star

When you think potential All-Stars to come out of Seattle, Logan Gilbert, Bryce Miller, Emerson Hancock, Randy Arozarena, and Julio Rodriguez will be the first names that come to mind.