Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Make Roster Move Before Royals Game

The Mariners needed another fit outfielder after dealing with injuries during the first part of the season. The Seattle Mariners have made a roster move before their game against Kansas City on Friday.

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The Morning Bark

The Quiz of the Day

Fantasy Baseball 2026: The Most Important Number in Colt Emerson’s Minor League File

Let's get the curtain call out of the way. Colt Emerson debuted with the Seattle Mariners on May 17 at age 20, became the youngest player in the organization since Felix Hernandez was a teenager causing problems in 2005, and arrived carrying the largest contract ever handed to a drafted player without a day of MLB service time.

New York Yankees News / Yardbarker Quizzes

The 'ERA leaders since 2003' quiz

How many ERA leaders from both leagues since the 2003 season can you name in five minutes?

MLB News / Yardbarker

The 25 greatest rookie seasons in MLB history

Not every all-timer has instant success at the next level. For many baseball players, it takes a few bumps in the road out of the gate before they ever reach stardom.

Seattle Mariners News / MLB on ClutchPoints / May 22

Mariners makes important injury roster move before Royals game

Through the first two months of the season, the Seattle Mariners have dealt with injuries that have hindered their progress. But the Mariners made an injury roster move before the start of their three-game series with the Kansas City Royals, according to Mariners PR.

Felnin Celesten News / Seattle Mariners on SI / May 22

Mariners Prospect Felnin Celesten Is Making High-A Feel Like the Wrong Room

Felnin Celesten is turning the Mariners’ normal prospect patience into a more fascinating conversation. The Mariners can be patient and still admit the conversation has changed.

Randy Arozarena News / Seattle Mariners on SI / May 21

Randy Arozarena’s Contact Makeover Gives Mariners a Real Reason to Buy His Hot Start

Randy Arozarena’s season is giving us two different stories at the same time. The easy story says the Seattle Mariners’ best hitter is probably due for a correction.

MLB News / Field Level Media / May 21

Mariners ride recent road momentum into opener against host Royals

Perhaps the most positive aspect of the Seattle Mariners, at the moment, is their play on the road. Looking to continue their recent success away from home on Friday night, the Mariners open a weekend set against a Kansas City Royals club that's struggled regardless of the location.

J.P. Crawford News / Seattle Mariners on SI / May 21

J.P. Crawford’s Loyalty to the Mariners Makes the Fan Criticism Look Short-Sighted

J.P. Crawford was scratched from Wednesday’s lineup because of lingering soreness in his right triceps after getting hit by pitches in that area on consecutive days, but he still went through early work at third base with Perry Hill before Seattle’s 5-4 win over Chicago.

Seattle Mariners News / Lookout Landing / May 21

The Mariners as things in or near my apartment: 2026

There’s been enough roster turnover since the last time we did this to warrant a new edition of the classic Jeff Sullivan bit. I love him so much, and it feels life-ruining when he’s bad.

MLB News / Yardbarker

Which 20 players have hit four home runs in an MLB game?

The only two things rarer in modern-day baseball than the four-homer game is the Triple Crown and the unassisted triple play. The former is, of course, done over an entire season, while there's a large level of lucky in the unassisted triple play.

Seattle Mariners News / Lookout Landing / May 21

Pressing Questions: Luis Castillo, Bryce Miller, and the Piggyback

For better, for worse, for discourse, we saw our first “piggyback” start Tuesday night. Bryce Miller, in his second appearance back from a stint on the IL, carried a no-hitter into the sixth inning versus the White Sox, looking much more 2024 than 2025.

Seattle Mariners News / Lookout Landing / May 21

Mariners News: J.P. Crawford, Colt Emerson, and José Berríos

Good morning everyone! The Mariners got a much-needed win against the White Sox yesterday, powering their way to a 5-4 series finale victory. The team has the day off today as they travel to Kansas City for a three-game weekend series.

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The 'ERA leaders since 2003' quiz

The '35-5-5 Conference Finals games' quiz

The 'NBA MVPs' quiz

The 'NBA steals-per-game leaders' quiz

Rob Refsnyder News / Seattle Mariners on SI / May 20

Mariners Fans May Be Stuck Waiting for the Rob Refsnyder Decision They Already Want

Rob Refsnyder has already cleared one very important Mariners veteran-bat hurdle. He lasted longer than Tommy La Stella. That won’t get anyone a plaque in Cooperstown, but it counts for something.

J.P. Crawford News / MLB Trade Rumors / May 20

J.P. Crawford Getting Work At Third Base

Mariners shortstop J.P. Crawford has been getting work at the hot corner and was taking grounders there prior to today’s game. Daniel Kramer of MLB.com was among those to report that the idea was actually brought up by Crawford, who approached manager Dan Wilson about the possibility this weekend.

Matt Brash News / Field Level Media / May 20

Mariners reinstate RHP Matt Brash from injured list

The Seattle Mariners reinstated right-hander Matt Brash from the injured list and optioned left-hander Robinson Ortiz to Triple-A Tacoma on Wednesday. Brash, 28, landed on the 15-day IL on May 1 with inflammation in his right lat.

Colt Emerson News / Yardbarker / May 19

Mariners rookie makes history with dramatic first career HR

Mariners rookie Colt Emerson makes history with dramatic first career HR

Emerson, whom the Mariners selected in the first round of the 2023 MLB Draft, now provides Seattle with another piece for both the present and the future.

Mariners to promote top prospect Colt Emerson

The 'Most home runs by a switch hitter' quiz

Seattle Mariners News / MLB Trade Rumors / May 18

Mariners Recall Robinson Ortiz, Select Brennen Davis

The Mariners announced several roster moves today. Infielder Patrick Wisdom has been reinstated from the 10-day injured list and left-hander Robinson Ortiz has been recalled from Triple-A.

Seattle Mariners News / Fastball on SI / May 17

Mariners Promote MLB’s No. 6 Prospect to Help in AL West Race

The Seattle Mariners are calling up the No. 6 overall prospect in baseball. Right now, the Mariners are in third place in the American League West at 22-25.

Colt Emerson News / Yardbarker / May 17