Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Reportedly Open to Surprising Trade Deadline Move

The Major League Baseball trade deadline is less than two weeks away, and the Seattle Mariners are one of the most fascinating teams to watch. The Mariners enter the day at 51-52, one game under .500 and just a half-game out of first place in the American League West.

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The Quiz of the Day

Mariners Fire Assistant Hitting Coach but Can’t Escape Bigger Offensive Problems

The Mariners have finally decided to make somebody pay for this offense. The harder part is probably explaining why they stopped with Bobby Magallanes.

Colt Emerson News / Seattle Mariners on SI / July 23

Colt Emerson Is the Mariners’ Future, but Not Their Answer Right Now

The Mariners love hanging out in the middle ground. They want to contend without becoming reckless. Build for tomorrow without sacrificing today. And give their best young players room to grow while selling everyone that they’re chasing a World Series.

Josh Naylor News / Lookout Landing / July 23

Looking for Josh Naylor’s Missing Power

Josh Naylor leads the Mariners in hits and that’s disappointing. Naylor picked up two more hits on Wednesday to give him nine since the All-Star break.

Nolan Arenado News / Yardbarker Quizzes

The 'Most 40-HR MLB seasons' quiz

How many of the 51 MLB players with three or more 40 home run seasons can you name in seven minutes?

The '50-HR MLB seasons' quiz

The 'Last 30-HR season by MLB team' quiz

The 'MLB Playoff strikeout-leaders' quiz

Seattle Mariners News / MLB on ClutchPoints / July 23

2 top Mariners prospects on trade watch at 2026 deadline

The Seattle Mariners have plenty of prospect success stories to point to in 2026, but two outfield and infield standouts, Jonny Farmelo and Felnin Celesten, stand out as the names most likely to surface in trade conversations before the deadline.

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 / Lookout Landing / July 22

Mariners lose a backbreaker, 5-3

It wasn’t a start to the second half that the Mariners could afford to have. After Eduard Bazardo allowed the bottom two hitters of the Reds order to reach

Miles Mastrobuoni News / MLB Trade Rumors / July 22

Mariners Outright Miles Mastrobuoni

The Mariners announced that infielder/outfielder Miles Mastrobuoni has cleared waivers and been sent outright to Triple-A Tacoma. He has the right to elect free agency but MLBTR has learned that he will accept the assignment.

MLB News / Seattle Mariners on SI / July 22

Mets’ Deadline Decision Could Price the Mariners Out of a Blockbuster Trade

The New York Mets have officially opened their doors for business. Unfortunately for the Mariners, it may not come with smooth negotiations. According to Joel Sherman, the Mets do not plan to pay down contracts to facilitate trades at this year’s deadline.

Bryce Miller News / Athlon Sports / July 21

Bryce Miller Traded His Sinker for a Splitter and Nearly Doubled His Strikeout Rate

Earlier this month, Athlon posted a piece naming Sonny Gray as the lone pitcher out of a pool of 162 whose sustained improvement in both swinging-strike rate and K-BB% was the sign of a true breakout season.

Cal Raleigh News / Seattle Mariners on SI / July 21

Cal Raleigh Turns Reds’ Disrespect Into a Huge Statement for the Mariners

The Cincinnati Reds chose Cal Raleigh, and they had to accept whatever was going to happen next. That was their mistake. The Mariners had a runner on second and third with one out in the seventh inning on July 20.

Brendan Donovan News / Athlon Sports / July 21

Mariners Get Encouraging Brendan Donovan Update Before Reds Game

The Seattle Mariners received an encouraging injury update before Tuesday's game against the Cincinnati Reds as Brendan Donovan continued progressing toward his return.

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 / Lookout Landing / July 21

Save the Date! Join us for the fifth annual Tim Cantu MemoriaLL SoftbaLL game on September 20

It’s mid-summer and you’re leaving a gathering with friends to put your 5-year-old to bed. The temperature and weather is perfect in North Seattle and the sun is just barely threatening to begin setting.

Gabe Speier News / Lookout Landing / July 21

Gabe Speier is back, but not better than ever. Yet.

After struggling through April, Gabe Speier took a trip to the Injured List to let a little inflammation in his shoulder subside. What’s happened since then is a puzzle: His stuff looks better than ever, but while his ERA is a gorgeous 2.05, his xERA, FIP, and SIERA are at all-time highs for his Mariners career.

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

The 'Most 40-HR MLB seasons' quiz

The 'NFL yards-per-catch leaders' quiz

The 'Youngest 4K-yard NFL passers' quiz

The '2K-yard NFL rushers' quiz

Cal Raleigh News / Field Level Media / July 21

After Cal Raleigh's heroics, Mariners vie for series win vs. Reds

Cal Raleigh had no trouble with the slurve. After the Cincinnati Reds intentionally walked the bases loaded to get to Raleigh, last year's home-run champ

Seattle Mariners News / Field Level Media / July 21

Cal Raleigh's grand slam more than enough for Mariners vs. Reds

Cal Raleigh hit a grand slam and George Kirby pitched six scoreless innings as the Seattle Mariners defeated the visiting Cincinnati Reds 8-0 Monday night in the opener of a three-game interleague series.

Julio Rodriguez News / Field Level Media / July 21

Mariners CF Julio Rodriguez exits vs. Reds after run-scoring single

Seattle Mariners center fielder Julio Rodriguez left Monday's game after five innings against visiting Cincinnati after appearing to get hit in the left hamstring by a throw from Reds shortstop Elly De La Cruz.

Cal Raleigh News / Viral Sports News / July 20

Mariners Linked to Stunning Trade for Cal Raleigh Replacement

With the MLB trade deadline approaching, the Seattle Mariners are once again being linked to potential roster upgrades, and one area attracting attention is behind the plate.

Seattle Mariners News / New Baseball Media / July 20

2026 MLB First-Half Recap: Seattle Mariners

One year after the Mariners made the 2025 ALCS, Seattle, much like the Blue Jays, has not come close to running away with things. Yes, the Mariners are still in the thick of the AL West playoff race.

MLB News / Yardbarker / July 19

On deck: Big week for Phillies, Mariners plus Orioles-Red Sox holds intrigue

The first full week of play after Major League Baseball's All-Star Game offers plenty of intrigue and potentially even a preview of a postseason matchup.

Shota Imanaga is driving Cubs' momentum in NL wild-card race

Orioles, RHP Kyle Bradish agree to five-year contract extension

Orioles complete sweep of Astros for seventh straight win

Luke Raley comes through in pinch, helps Mariners beat Giants

Yankees expected to use former top prospects as trade assets

Seattle Mariners News / MLB Trade Rumors / July 18

Mariners Activate Julio Rodriguez, Designate Miles Mastrobuoni

The Mariners announced that outfielder Julio Rodriguez has been activated from the seven-day concussion injured list. Utilityman Miles Mastrobuoni was designated for assignment in the corresponding move, which both opens up a 26-man roster spot for Rodriguez and leaves Seattle with 39 players on its 40-man roster.

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 / 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.

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.

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