Seattle Mariners: Breaking News, Rumors & Highlights

Mariners' Felnin Celesten Is Turning High-A Into a Waiting Room After Hitting for the Cycle

There are a lot of ways a prospect can say he’s ready for a promotion. Felnin Celesten has stacked multi-hit games. He’s flashed more pop and continues to make loud contact.

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The Quiz of the Day

Seattle Mariners Infield Prospect Hits for Cycle in Seven-Inning Game

The Seattle Mariners High-A affiliate, the Everett Aqua Sox, is facing the Eugene Emeralds, the affiliate of the San Francisco Giants. Last night in the first game of a doubleheader, the Mariners seventh ranked prospect and the 96th overall prospect, Felnin Celesten, hit for the cycle.

Seattle Mariners News / Lookout Landing / June 26

Mariners News: Andrés Muñoz, Miles Mastrobuoni, and Corey Seager

Good morning folks and happy Friday! The Mariners had another stinker of a performance last night, dropping the series finale to the Pirates 5-1 which brings them back to .500 on the season.

Corey Seager News / Yardbarker Quizzes

The 'MLB playoff HR leaders' quiz

In the history of MLB, 31 players have hit 13 or more home runs in the postseason over the course of their careers. How many can you name in six minutes?

The 'MLB active HR leaders' quiz

The 'Multiple 30/30 Club MLB seasons' quiz

The 'MLB all-time strikeout leaders' quiz

Seattle Mariners News / Seattle Mariners on SI / June 25

Mariners Are Creating a Trade Deadline Mess by Letting the AL West Stay Alive

The Mariners opened the season as the favorites to win the AL West. But why does it feel like they’re treating it like a dare? They’re somehow still in first place after dropping their last series against the Pittsburgh Pirates, putting their record back to .500 at 41-41.

MLB News / Yardbarker

25 MLB players most likely to be traded by the deadline

The MLB Trade Deadline has been quieter in recent years, in part due to playoff expansion, but 2026 is shaping up to be a more exciting one with several big names.

MLB News / Lookout Landing / June 25

Broadcast castaways, Mariners sunk in Pirates sweep 5-1

In a year of anniversarial festivity across the United States, a less rounded celebration will make its annual occurrence in just a month and change. The 105th anniversary of the first radio broadcast of a baseball game will occur on August 5th.

Miles Mastrobuoni News / MLB Trade Rumors / June 25

Mariners Outright Miles Mastrobuoni

The Mariners announced that infielder/outfielder Miles Mastrobuoni cleared waivers and has been outrighted to Triple-A Tacoma. He had been designated for assignment by Seattle last week.

MLB News / MLB on ClutchPoints / June 25

Mariners rumors: Analyst calls Aroldis Chapman, Luke Weaver ‘almost perfect fits’ for Seattle

With the Seattle Mariners preparing for the upcoming trade deadline, there are fans who are wondering who the team will target as a need for the ball club.

Seattle Mariners News / MLB on ClutchPoints / June 25

2 sneaky Mariners’ 2026 MLB trade deadline targets to chase

The Seattle Mariners should be aggressive before the August 3 MLB trade deadline, but aggression cannot mean turning a strong farm system into a clearance rack.

Bryan Woo News / Seattle Mariners on SI / June 25

Bryan Woo’s Search for Answers Is Becoming a Real Mariners Problem on the Road

Bryan Woo gave the Mariners and their fans a complicated postgame answer. One thing for certain, it didn’t include any spin, excuses, or fake confidence.

Bryce Miller News / Field Level Media / June 25

Mariners' Bryce Miller hopes for longer leash in finale vs. Pirates

Bryce Miller won't have to look over his shoulder on Thursday afternoon. The Seattle Mariners' right-hander will start the finale of a three-game interleague series at Pittsburgh, and he won't have teammate Luis Castillo warming up in the bullpen in the fifth inning.

Athletics News / Yardbarker

25 MLB players who could be first-time All-Stars in 2026

Being named to the Midsummer Classic is one of the biggest honors for MLB players. These 25 players have a chance to make their first All-Star appearance in 2026 based on their first-half performances.

Cole Young News / Seattle Mariners on SI / June 24

Cole Young Turns Small-Ball Mindset Into Massive Mariners Moment vs. Pirates

It’s not like Cole Young stepped into the batter’s box to write a movie script. Which actually makes the moment even better. The Mariners were down a run in the seventh inning Tuesday night against the Pittsburgh Pirates.

Randy Arozarena News / Seattle Mariners on SI / June 24

Mariners’ All-Star Ballot Update Leaves Julio Rodríguez, Randy Arozarena on the Bubble

The Mariners still have two players alive on the All-Star ballot, and somehow that feels disappointing. Julio Rodríguez and Randy Arozarena are the only Mariners left standing in the latest MLB All-Star Ballot update.

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

The 'Triple-Double leaders by team' quiz

The '2nd-overall NBA Draft picks' quiz

The 'Multi-time NBA MVPs' quiz

The 'No.1 NBA Draft picks' quiz

Bryan Woo News / Field Level Media / June 24

Mariners' Bryan Woo searching for answers vs. Pirates

Seattle right-hander Bryan Woo will try to solve his road woes when he takes the mound for the Mariners against the Pirates on Wednesday night in Pittsburgh.

Randy Arozarena News / Field Level Media / June 23

Mariners reinstate OF Randy Arozarena (hamstring) from IL

The Seattle Mariners activated outfielder Randy Arozarena from the 10-day injured list prior to Tuesday's road game against the Pittsburgh Pirates. Arozarena has been sidelined with a left hamstring strain since being injured against the Washington Nationals on June 12.

MLB News / Inside The Rink / June 23

ECHL: Maine Mariners Announce 2025-26 Season-Ending Roster

Yesterday, the Maine Mariners sent in their season-ending roster. They were announced this morning. Season-Ending Rosters are limited to 20 players. Season-Ending Rosters cannot include any players who did not sign an ECHL contract in 2025-26.

Seattle Mariners News / Athlon Sports / June 21

Mariners Outfielder Exits Game With Injury

After providing two of the team's three RBIs and turning a crucial outfield double play, Seattle Mariners outfielder Dominic Canzone exited Sunday's game in the sixth inning.

Curtis Washington Jr. News / MLB Trade Rumors / June 20

Mariners Outright Curtis Washington Jr.

The Mariners announced that outfielder Curtis Washington Jr. was outrighted to A-level Everett after clearing waivers. There wasn’t any public indication that Washington had also been designated for assignment when he was optioned back to Everett earlier this week, but the outright now opens up a spot on Seattle’s 40-man roster.

Seattle Mariners News / MLB Trade Rumors / June 19

Mariners Designate Miles Mastrobuoni For Assignment, Select Weston Wilson

The Mariners have selected the contract of infielder/outfielder Weston Wilson. Fellow infielder/outfielder Miles Mastrobuoni has been designated in a corresponding move.

Luis Arraez News / Yardbarker / June 19

Why Mariners should target Luis Arraez before trade deadline

Why Mariners should target Giants contact king Luis Arraez before 2026 MLB trade deadline

The Seattle Mariners do not need Luis Arraez because he fixes everything. They should target him because he attacks the offensive flaw that can make their lineup so frustrating.

Three potential landing spots for Giants' Luis Arraez

Yankees highlight list of potential Seiya Suzuki trade landing spots

Four players Red Sox should move and one they should keep at trade deadline

The 'National League batting champs' quiz

Julio Rodriguez News / Athlon Sports / June 18

Julio Rodriguez News Emerges After Removal From Mariners Lineup

The Seattle Mariners are going to be without center fielder Julio Rodriguez for the first time all season. The 25-year-old Dominican superstar suffered

Seattle Mariners News / Athlon Sports / June 18

Mariners Make Julio Rodriguez Announcement After Leaving Orioles Game

Seattle Mariners center fielder Julio Rodriguez is once again off to a slow start at the plate. In his five-year career, Rodriguez has routinely struggled during the first half of seasons before taking off after the All-Star break.

Seattle Mariners News / Total Pro Sports / June 17

Who Is Curtis Washington Jr.? The Mariners Outfielder Coming Straight From High-A To The Big Leagues

Curtis Washington Jr.’s path to the majors wasn’t supposed to look like this. Most prospects grind through Double-A and Triple-A before getting the call.

Seattle Mariners News / Total Pro Sports / June 17

What Happened To Randy Arazorena? Latest Update On The Mariners Star

Randy Arozarena delivered a strong 2025 campaign in his first full season for the Seattle Mariners. Despite the team nearly clinching the American League pennant, the 31-year-old outfielder suffered a big slump during the postseason.

Cal Raleigh News / Yardbarker Quizzes

The 'MLB HR leaders since 1997' quiz

How many MLB home run leaders since 1997 can you name in five minutes?

Cal Raleigh News / Larry Brown Sports / June 16

Mariners get huge Cal Raleigh injury update

The Seattle Mariners have been without catcher Raleigh for a month.

James Wood, Miles Mikolas star as Nats pound Mariners

Mariners SP Emerson Hancock is demonstrating why he's All-Star material

The 'RBI leaders since 2000' quiz

Cole Young News / Stadium Rant / June 12

Seattle Mariners’ Energetic Young Core, Pitching Fueling 2026 Season

The Seattle Mariners entered the 2026 season facing familiar questions. After several years of building around a talented young core, the organization needed to prove it could consistently compete in a crowded American League landscape.