Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Should Break Bullpen Spending Habit to Sign Padres Reliever Adrián Morejón

We know that the Mariners can build a bullpen on a budget. They will spin a waiver claim into a decent sixth-inning arm and squeeze leverage innings out of somebody another organization overlooked.

Features

The Morning Bark

The Quiz of the Day

Scouting the AFL for future Mariners coaching candidates

The Arizona Fall League is in full swing down here in Phoenix, but today we’re not here to discuss top prospects or future Mariners; rather, I’m interested in which coaches teams have opted to send in order to burnish their resumes and gain them experience with a diverse array of players from all different organizations.

Seattle Mariners News / Seattle Mariners on SI / October 12

The Position the Mariners Must Address for This Offseason to Be a Success

We already know how this story usually goes. The Mariners collect some versatile players and mix and match their lineup. They'll spend half the season searching for an offensive combination that sticks.

Trent Grisham News / Seattle Mariners on SI / October 11

Bleacher Report Predicts Trent Grisham to Mariners, Creating a Major 2027 Lineup Problem

Trent Grisham would definitely give the Mariners another capable outfielder and legitimate insurance behind Julio Rodríguez in center field. But wouldn’t he make the Mariners predominantly left-handed lineup even more absurdly left-handed?

Los Angeles Dodgers News / Yardbarker Quizzes

The 'Most 3-HR MLB Playoffs' quiz

Can you name every MLB player to hit at least three home runs in multiple postseasons in eight minutes?

Kade Anderson News / Seattle Mariners on SI / October 11

Mariners’ 2027 Starting Rotation Projection Puts Kade Anderson in the Starting Five

Luis Castillo is gone, and the Seattle Mariners will have a new veteran buffer at the top of their rotation. It’s not like they’re scrambling for more arms.

Athletics News / Yardbarker

The most surprising player from every MLB team for the 2026 season

The 2026 season has been headlined by young players emerging, but some wily veterans have also had their day. As we head toward the end of the regular season, these 30 players stand out as the biggest surprises on their teams.

Seattle Mariners News / Yardbarker / October 10

Three questions facing the Seattle Mariners this offseason

The Mariners are at a crossroads heading into the offseason.

Former MLB GM believes Braves should target Randy Arozarena

The 'Switch-hitter 35-HR seasons' quiz

Seattle Mariners News / Seattle Mariners on SI / October 10

Projecting the Mariners’ 2027 Opening Day Lineup Before Their Next Major Move

The Mariners cannot fix a 76-win season by simply changing the manager and waiting for healthy bodies to show up. Their projected 2027 lineup makes it pretty clear.

Seattle Mariners News / Seattle Mariners on SI / October 9

Expected MLB Lockout Gives Mariners Manager Search an Uncomfortable Deadline

The Mariners already had enough reasons to move decisively in their search for a new manager. Cal Raleigh and Josh Naylor have been added to the list of reasons after both players underwent surgery shortly after Seattle’s disappointing 2026 season ended.

Julio Rodriguez News / Athlon Sports / October 9

What is Julio Rodriguez Up To? Mariners Star Makes Announcement After 5th MLB Season

The Seattle Mariners had a disappointing season in 2026, missing out on postseason play. Since coming one win short of reaching the World Series in 2025, it has been all downhill for the franchise.

MLB News / Seattle Mariners on SI / October 9

Aaron Judge’s Yankees Warning Echoes Cal Raleigh’s 2023 Mariners Challenge

Aaron Judge sounded awfully familiar after the Yankees’ season ended on October 7. “We’re the Yankees,” Judge said after Tampa Bay swept New York out of the ALDS.

Seattle Mariners News / Seattle Mariners on SI / October 9

What a Successful Mariners Offseason Actually Looks Like

The Mariners spent 2026 learning how quickly a championship window can start closing. It’s almost like they weren’t paying attention to those who warned them about it.

MLB News / Yardbarker

The most disappointing player from every MLB team for the 2026 season

The 2026 season hasn't gone as planned for many MLB players. These 30 players stand out as the biggest disappointments for their respective teams.

Luke Raley News / Seattle Mariners on SI / October 8

Luke Raley Could Be the Odd Man Out in Mariners’ 2027 Roster Plans

The Mariners are not staring at an impossible Luke Raley decision. But it’s a potentially uncomfortable conversation. Raley still has enough power from the left side of the plate to make an impact on the roster.

Seattle Mariners News / Just Baseball / October 7

Seattle Mariners Arbitration Projections and Tender Decisions

Once a team comes up with its projected salary for all of its arbitration-eligible players, it will begin a tender analysis to simply determine: “Are we comfortable guaranteeing Player X this much money?” If the answer is yes, the player will be tendered a contract prior to the mid-November Tender Deadline.

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

The 'QB season rushing-TD leaders' quiz

The 'Rushing TDs by active NFL WRs' quiz

The 'Most 3-HR MLB Playoffs' quiz

The 'NFL most receiving-1st downs' quiz

Seattle Mariners News / MLB Trade Rumors / October 6

Mariners announce surgeries for Cal Raleigh, Josh Naylor

The Mariners announced that catcher Cal Raleigh and Josh Naylor underwent surgical procedures on October 3. Both players are expected to be recovered before the start of spring training.

George Kirby News / MLB Trade Rumors / October 5

George Kirby’s Fastball Failed Him

Mariners right-hander George Kirby just put together the worst season of his career. He stumbled to a 4.33 ERA as one of the key contributors to a disappointing season for Seattle’s vaunted rotation.

Seattle Mariners News / Athlon Sports / October 3

Mariners Make Roster Move After Missing MLB Playoffs

The Seattle Mariners are wasting little time getting to work after missing the 2026 MLB postseason. Just days after their season ended, the club made an early offseason roster move by claiming first baseman and outfielder Michael Toglia off waivers from the Cincinnati Reds.

Seattle Mariners News / Viral Sports News / October 2

Mariners Already Predicted to Land $150 Million Slugger

The Seattle Mariners are being projected to land Seiya Suzuki once the free-agent market opens, a prediction that would send the longtime Chicago Cubs outfielder to the American League West and reshape both clubs’ winter plans.

Seattle Mariners News / Just Baseball / October 1

Five Mariners Who Need To Be Better Next Season

At the start of every season, fans take a look at the Seattle Mariners roster and wonder if it will finally be the season when they win it all. This year was surely no exception.

Nolan Jones News / Viral Sports News / September 29

Mariners Already Lose 28-Year-Old Slugger to Free Agency

Nolan Jones is moving on from the Seattle Mariners. After a year spent entirely in Triple-A and a late-season arrival as extra outfield depth, the 28-year-old has elected free agency rather than remain in the Mariners’ minor-league system, via the MiLB transaction log.

Seattle Mariners News / Athlon Sports / September 29

Mariners GM Jerry Dipoto says Seattle will hire from outside the organization to find its next manager: 'We need fresh thought, we need something new'

Seattle Mariners president of baseball operations Jerry Dipoto says the organization will look outside the franchise for its next manager. Dipoto confirmed the decision following Seattle’s 2026 season, saying the Mariners need a different perspective as they begin searching for a replacement for Dan Wilson.

Dan Wilson News / Larry Brown Sports / September 28

Mariners move on from 4 more coaches after Dan Wilson decision

The Seattle Mariners missed the playoffs in 2026 despite making the ALCS a year ago, and they decided to relieve manager Dan Wilson of his duties after the final game of the regular season.

MLB News / Yardbarker / September 28

Four potential managerial candidates for Mariners

The Seattle Mariners are officially looking for a new manager. Here are four potential candidates.

The 'MLB player name riddles' quiz

Seattle Mariners News / MLB Trade Rumors / September 27

Dan Wilson won't return as Mariners’ manager in 2027

Mariners manager Dan Wilson told the team before today’s season finale that he wouldn’t be returning to the job for next season, the Seattle Times’ Ryan Divish reports.

The 'Switch-hitter 35-HR seasons' quiz

Seattle Mariners News / Larry Brown Sports / September 27

Top Mariners prospect leaves game after getting hit by 104-mph comebacker

Seattle Mariners fans held their collective breath as Kade Anderson left Saturday’s game with an injury. The Mariners’ No. 1 prospect left the mound early against the Los Angeles Angels after getting hit by a 103.8-mph comebacker in the 4th inning at T-Mobile Park in Seattle, Wash.

Randy Arozarena News / Larry Brown Sports / September 19

Randy Arozarena is being linked to 1 team in rumors

Randy Arozarena could be eyeing a return to the AL East. The Seattle Mariners All-Star outfielder Arozarena is “likely” to leave the team in free agency this offseason, Ryan Divish of The Seattle Times reported this week.