Seattle Mariners: Breaking News, Rumors & Highlights

Seattle Mariners News / Seattle Mariners on SI / August 5

Luis Castillo Trade Hands Logan Gilbert a New Role in Mariners Rotation

The Mariners cleared up a six-man traffic jam by trading Luis Castillo to the White Sox. In doing so, they also now have a five-man rotation filled with all homegrown arms.

Seattle Mariners News / Lindy's Sports / August 5

Mariners Must Double Down on Trade Deadline Move Away From Castillo

The Seattle Mariners just traded RHP Luis Castillo away, acquired OF Taylor Ward in a 4-player trade, and made a series of serious roster moves to cut dead weight and give new guys a chance.

Seattle Mariners News / MLB on ClutchPoints / August 5

Ed Sheeran wows during batting practice with Mariners’ Julio Rodriguez

Presumably before his show in Seattle for the 2026 Loop Tour, Ed Sheeran went to batting practice with Mariners star Julio Rodriguez. Perhaps to the surprise of some, he was good at swinging the bat.

Adley Rutschman News / Yardbarker Quizzes

The 'Last five-hit game by MLB team' quiz

How many of the most recent players to record five hits in the same MLB game for each franchise can you name in five minutes?

The 'Multi-time Cy Young winners' quiz

The 'Three-time batting champions' quiz

The 'Most HRs in one World Series' quiz

Stuart Fairchild News / Seattle Mariners on SI / August 5

Mariners Make Predictable Stuart Fairchild Move After Upgrading Their Outfield

Stuart Fairchild was always going to be a temporary piece. So it’s not a surprise that the Mariners removed him the moment the roster became healthier and they added more talent.

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.

Luke Raley News / MLB Trade Rumors / August 5

Luke Raley Expected To Miss Remainder Of 2026 Season

Mariners slugger Luke Raley‘s season might be over. Adam Jude of the Seattle Times writes that Raley is expected to miss the remainder of the 2026 campaign due to the forearm strain that sent him to the injured list late last month.

Seattle Mariners News / Lookout Landing / August 5

New Mariner Taylor Ward is not just here to walk (but that’s okay too)

As we’ve written about extensively over the past few days, the Mariners didn’t make splashy moves this trade deadline, but they did make moves to address their biggest weaknesses in the bullpen and right-handed hitting outfield, even if those returns might not move the needle for fans.

Seattle Mariners News / Seattle Mariners on SI / August 5

Brutal Taylor Ward and Seranthony Domínguez Debuts Add to Mariners’ Trade Deadline Misery

Look, it’s just one game. But wow, it almost couldn’t have gone much worse. The Mariners introduced two of their trade deadline additions Tuesday night and received the baseball equivalent of a dead microphone.

MLB News / MLB on ClutchPoints / August 4

Mariners announce multiple roster moves after Taylor Ward trade

The Seattle Mariners made a flurry of roster moves Monday as newly acquired players began reporting to the club. General manager Justin Hollander announced that outfielder Taylor Ward, acquired from the Baltimore Orioles, and right-hander Seranthony Dominguez, acquired from the Chicago White Sox, both reported to the team.

MLB News / Seattle Mariners on SI / August 4

Mariners 2026 Trade Deadline Grades: Breaking Down the Taylor Ward and Luis Castillo Trades

The trade deadline has officially passed, and we have two trades with two respectable individual grades to talk about. We also have one disappointing deadline.

Seattle Mariners News / Field Level Media / August 4

Mariners cut loose veterans Rob Refsnyder, Mitch Garver

The Seattle Mariners released veteran outfielder Rob Refsnyder and catcher Mitch Garver on Tuesday after adding players at the trade deadline. The Mariners recalled catcher Jhonny Pereda from Triple-A Tacoma in a corresponding move.

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.

Stuart Fairchild News / MLB Trade Rumors / August 4

Mariners Designate Stuart Fairchild For Assignment

The Mariners announced several roster moves today, most of which were previously reported. They also reinstated infielder/outfielder Brendan Donovan from the 10-day injured list.

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The 'Last five-hit game by MLB team' quiz

The 'Three-time batting champions' quiz

The 'Pitching Triple Crown winners' quiz

The 'Active 4th quarter comebacks' quiz

Seattle Mariners News / MLB Trade Rumors / August 4

Mariners Release Mitch Garver, Rob Refsnyder

The Mariners have released catcher Mitch Garver and outfielder Rob Refsnyder, per Ryan Divish of The Seattle Times. Refsnyder will be replaced by Taylor Ward, who was acquired in a trade yesterday.

Randy Arozarena News / MLB Trade Rumors / August 3

Mariners Not Planning To Trade Arozarena, Could Still Move A Starter

The Mariners added a big right-handed bat to their corner outfield with this morning’s deal to land Taylor Ward from Baltimore. That’s apparently not going to be a precursor to a trade of their own impending free agent left fielder.

Seattle Mariners News / MLB on ClutchPoints / August 3

Mariners rumors: Will George Kirby, Emerson Hancock be traded at deadline after Luis Castillo?

The Seattle Mariners may not be done making headlines before the MLB trade deadline. After already trading veteran starter Luis Castillo and acquiring outfielder Taylor Ward, Seattle appears to be walking a fine line between buying for the present and reshaping its roster for the future.

MLB News / Yardbarker / August 3

Seattle Mariners add needed bat in Taylor Ward

The Seattle Mariners continued to straddle the line between buying and selling on Monday.

Mariners beat Twins in walk-off fashion after losing 6-0 lead

White Sox grab pitching help with trade for Mariners' Luis Castillo

The 'Three-time batting champions' quiz

Bryan Woo News / Viral Sports News / August 2

Mariners Reveal Trade Deadline Stance on Troubled Star

As the MLB trade deadline approaches on Monday, the Seattle Mariners find themselves in a frustrating position, as they have been one of the most disappointing teams in baseball.

Seattle Mariners News / Athlon Sports / August 2

Mariners Reportedly Open to Trading Another Starter Following Luis Castillo Trade

Despite trading Luis Castillo to the Chicago White Sox on Saturday, the Seattle Mariners may not be finished dealing from their starting rotation. According to The Seattle Times' Adam Jude, the Mariners remain open to engaging in another trade involving their rotation, notably George Kirby and Emerson Hancock.

MLB News / Yardbarker / August 1

White Sox grab pitching help with trade for Mariners' Luis Castillo

A surprise year has put Chicago in contention for an AL Central crown, and the front office knows it. That was shown Saturday night when it acquired a much-needed arm to add to the starting rotation.

Yankees trading struggling reliever Camilo Doval to Pirates

Yankees rumor shows desperation in search for lineup upgrades

Braves get much-needed depth in trade with Royals

Brewers acquire catcher Bo Naylor from Guardians

Tigers make telling Tarik Skubal move ahead of trade deadline

Seattle Mariners News / Yardbarker / August 1

Mariners could make major changes ahead of trade deadline

Seattle Mariners president of baseball operations Jerry Dipoto has never shied away from making any deal that he feels will improve the roster.

Yankees trading struggling reliever Camilo Doval to Pirates

Yankees' trade deadline plans may hinge on key Aaron Judge situation

Tigers make telling Tarik Skubal move ahead of trade deadline

The 'MLB HR leaders since 1997' quiz

Luke Raley News / Field Level Media / August 1

Mariners place OF Luke Raley (forearm) on 10-day IL

The Seattle Mariners placed outfielder Luke Raley on the 10-day injured list Saturday with a left forearm strain, while outfielder Stuart Fairchild was recalled from Triple-A Tacoma.

Seattle Mariners News / Larry Brown Sports / August 1

Mariners could be open to trading star players

The disappointing Seattle Mariners are at least open to trading several key players on their roster, though not necessarily to sell. The Mariners are open to dealing from their surplus of starting pitchers to address other needs, according to Adam Jude and Ryan Divish of the Seattle Times.

Seattle Mariners News / Just Baseball / August 1

Two Mock Trades for the Mariners’ Playoff Push

General manager Jerry Dipoto enters the 2026 MLB trade deadline facing a familiar challenge. The Seattle Mariners boast what should be one of the most talented rosters in baseball, led by several offensive stars and featuring a starting rotation capable of carrying the club through an entire postseason series on its own.

Seattle Mariners News / Field Level Media / July 31