Seattle Mariners: Breaking News, Rumors & Highlights

Mariners place Donovan on 7-day concussion IL

The Seattle Mariners will place utilityman Brendan Donovan on the seven-day concussion injured list, manager Dan Wilson said Sunday, a day after the 29-year-old was a late scratch because he was hit in the head by a baseball in the batting cages.

Bryan Woo News / Lookout Landing / August 23

Mariners Bryan Woo: throws bullpen Sunday

After exiting his start in Houston early with shoulder soreness and then having his start skipped when the team returned to Seattle, Bryan Woo threw a bullpen today prior to Sunday’s series finale against the Cubs.

Brendan Donovan News / MLB on ClutchPoints / August 23

Mariners’ Brendan Donovan hits concussion IL after batting cage incident

The Seattle Mariners took a 5-4 victory over the Chicago Cubs on Saturday. Randy Arozarena hit a walk-off home run to win the game for the Mariners after he had already robbed a home run in the field during Kade Anderson’s MLB debut Prior to the game, Brendan Donovan was injured in the batting cage.

Los Angeles Angels News / Yardbarker Quizzes

The 'Last batting title by MLB team' quiz

How many of the most recent batting champions for each MLB team can you name in five minutes?

The 'MLB 400-HR, 200-stolen bases' quiz

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

The 'Most MLB All-Star Games' quiz

Kade Anderson News / Seattle Mariners on SI / August 23

3 Takeaways From Kade Anderson’s MLB Debut in the Mariners’ Win Over the Cubs

We got a little of everything in Kade Anderson’s major-league debut. He came out of the gates looking like a pure pro. He revealed a nasty changeup, became part of another questionable managerial decision and experienced a classic nine inning rollercoaster ride that is the Seattle Mariners.

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 / HITC / August 23

Randy Arozarena hits Cristiano Ronaldo’s legendary celebration after historic walk-off for the Mariners

Randy Arozarena ended the night with a Cristiano Ronaldo-style ‘Siuu’ celebration. The Mariners star had earned it. Arozarena produced one of the wildest single games in MLB history in Seattle’s 5-4 win over the Chicago Cubs, finishing with a two-run walk-off homer.

Seattle Mariners News / MLB on ClutchPoints / August 23

How Mariners’ Randy Arozarena saved Kade Anderson’s MLB debut in field before winning it at plate

Kade Anderson, who was the third overall pick in the 2025 MLB Draft, made his major league debut for the Seattle Mariners on Saturday. Anderson went five and two-thirds innings in the game, and Randy Arozarena was the hero.

Michael Arroyo News / Seattle Mariners on SI / August 23

Mariners’ Rule 5 Deadline Reframes Michael Arroyo and Lázaro Montes Call-Up Debate

The Seattle Mariners are running out of time to determine what kind of season this is. They entered Sunday at 62–68 but only two games removed from the final AL wild-card spot.

Randy Arozarena News / Field Level Media / August 23

Randy Arozarena, Mariners stay hungry ahead of finale vs. Cubs

Randy Arozarena got the first word and the last word Saturday. And did a little talking with his glove in between. Arozarena, moved into the leadoff spot when Brendan Donovan was a late scratch, hit the first pitch in the bottom of the first inning over the fence in deep left-center field.

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.

Randy Arozarena News / MLB on ClutchPoints / August 23

Randy Arozarena hit rare milestone in Mariners walkoff win

All-Star slugger Randy Arozarena orchestrated one of the most statistically unusual games in Mariners history Saturday, helping Seattle overcome the Chicago Cubs 5-4 at T-Mobile Park.

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The 'Rookie receiving leader by team' quiz

The '35-passing TD NFL seasons' quiz

The 'NFL Playoffs rushing record' quiz

The 'NFL all-time receptions leaders' quiz

Randy Arozarena News / Field Level Media / August 22

Randy Arozarena comes up big as Mariners come back to edge Cubs

Randy Arozarena hit two home runs -- including a two-run shot with two outs in the bottom of the ninth inning -- and robbed another as the Seattle Mariners rallied for a 5-4 victory against the visiting Chicago Cubs on Saturday.

MLB News / Yardbarker / August 22

Kade Anderson's MLB debut for Mariners was a mixed bag

Seattle Mariners' No. 1 pitching prospect Kade Anderson made his long-awaited MLB debut on Saturday night against the Chicago Cubs.

Craig Kimbrel joins rare history as Royals extend winning streak

Angels star Mike Trout makes history vs. Rangers

Reds' JJ Bleday hits for fourth MLB cycle this season

Luis Rengifo has become a vital weapon for Padres

Can Cubs fix their Ryan Zeferjahn issue?

Ketel Marte spotted at casino during Diamondbacks game

Seattle Mariners News / MLB Trade Rumors / August 22

Mariners Designate Jhonathan Diaz, Select Kade Anderson

Kade Anderson is officially in the big leagues, as Thursday’s report of the star prospect’s impending promotion has given way to today’s announcement that the Mariners have selected Anderson’s contract. To create room on both the 26-man and 40-man rosters, Seattle designated left-hander Jhonathan Diaz for assignment.

Carlos Vargas News / MLB Trade Rumors / August 21

Mariners Activate Carlos Vargas

The Mariners announced that reliever Carlos Vargas is back from the 60-day injured list. Seattle optioned Nick Davila to Triple-A Tacoma to clear a bullpen spot and transferred Matt Brash to the 60-day IL to create an opening on the 40-man roster.

Cal Raleigh News / Viral Sports News / August 21

Seattle Mariners Announce Brutal Cal Raleigh Decision

The Seattle Mariners will look to snap a recent skid when they open a weekend series against the Chicago Cubs on Friday night at T-Mobile Park. After dropping two of three games to the Milwaukee Brewers, Seattle sits at 60-68 and well short of the contention many expected when the season began.

Seattle Mariners News / Trade Talk Sports / August 21

Could the Mariners Be In for a Complete Reset This Offseason?

The Seattle Mariners were one win away from their first-ever World Series appearance in 2025, and less than a year later, people are now wondering whether the core of the team needs to be completely shaken up.

Seattle Mariners News / Yardbarker / August 20

Kade Anderson will make his highly anticipated debut for the Mariners on Saturday

The Seattle Mariners are finally calling up their top pitching prospect Kade Anderson, who will make his long-awaited debut on Saturday.

Elite Mariners prospect Kade Anderson deserves a promotion

Fans roasted Julio Rodriguez after he committed Error of the Year contender

Mariners rebound from 22-0 loss, hold off Brewers

The 'MLB HR leaders since 1997' quiz

Cal Raleigh News / Viral Sports News / August 20

Seattle Mariners Announce Cal Raleigh Decision on Thursday

The Seattle Mariners head into Thursday’s series finale against the Milwaukee Brewers looking to claim the three-game set after bouncing back from an ugly defeat.

Cal Raleigh News / HITC / August 20

Cal Raleigh’s struggles with Seattle Mariners brutally compared against one-armed Pete Gray

The Seattle Mariners are enduring a torrid end to the 2026 season following their 22-0 loss against the Milwaukee Brewers. It has turned out to be a season to forget for the Mariners following what was a seriously impressive year in 2025.

Seattle Mariners News / New Baseball Media / August 19

2026 MLB Draft Review: Seattle Mariners

Two years ago, the Mariners drafted pitcher Jurrangelo Cijntje in the first round out of Mississippi State. In 2026, the Mariners went back to MSU, as standout slugger Ace Reese headlined a college-heavy haul for the Seattle organization in the MLB Draft.

Julio Rodriguez News / Larry Brown Sports / August 19