Seattle Mariners: Breaking News, Rumors & Highlights

Mariners acquire swingman Cooper Criswell in trade with Mets

The Seattle Mariners have yet to make a blockbuster deal on the back end of the offseason, but they've certainly added a lot of depth heading into Spring Training.

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Mariners acquire RHP Cooper Criswell

As spring training draws ever nearer, the Mariners have again fortified the group of arms they’ll bring to camp (known around here as The Pitching Pile), acquiring RHP Cooper Criswell from the Mets for cash.

Seattle Mariners News / Lookout Landing / January 23

Friday Feedbag: Go-to karaoke songs for Seattle Mariners

Hello and welcome back to the Feedbag, where I will never serve you slop. What a gorgeous Friday in the Pacific Northwest as we sit about 1 month away from Spring Training baseball and a certain local NFL team are one win away from their third fourth Super Bowl trip in team history.

MLB News / Fastball on SI / January 23

Mariners, Mets Complete Trade Bringing 5-Year MLB Veteran to Seattle

The New York Mets had to put a desirable player on waivers, and the Seattle Mariners pounced. After right-handed pitcher Cooper Criswell was designated for assignment on Wednesday night as the Mets finalized the trade to acquire Freddy Peralta and Tobias Myers from the Milwaukee Brewers, the Mariners skipped the line to claim him off waivers.

MLB News / Yardbarker Quizzes

The 'MLB active RBI leaders' quiz

Can you name the active hitters with the most runs-batted-in in their career?

The 'MLB teammates to hit 30 HRs in 2017' quiz

The 'World Series walk-off home runs' quiz

The 'Active MLB doubles leaders' quiz

Eugenio Suarez News / Fastball on SI / January 23

NL Central Team Predicted to Steal Eugenio Suarez from Mariners

The Seattle Mariners have had a relatively quiet offseason, and have also suffered some key losses. Despite re-signing Josh Naylor, they lost Jorge Polanco to the New York Mets in free agency.

MLB News / Yardbarker

The 20 most significant MLB Rule 5 draftees

The Rule 5 draft, held annually at the winter meetings in December, never garners much fanfare, but it has been known to yield some noteworthy transactions.

Seattle Mariners News / Fastball on SI / January 23

Mariners Lose 27-Year-Old Outfielder to Free Agency

One former member of the Seattle Mariners is available on the open market and can go anywhere at this point. Seattle had outfielder Samad Taylor with the organization over the last two seasons, but he was designated for assignment after the club acquired right-handed pitcher Yosver Zulueta in a trade with the Cincinnati Reds.

Seattle Mariners News / Fastball on SI / January 23

Mariners' Eugenio Suárez Linked to Reunion With Shocking NL Contender

Seattle Mariners slugger Eugenio Suárez is one of the best players left in free agency right now, but because of his defense and age, he's not expected to sign a big contract.

Cal Raleigh News / MLB on ClutchPoints / January 23

Analyst calls out Mariners star Cal Raleigh’s placement in top player rankings

With the Seattle Mariners preparing for Spring Training, the team is looking for another season of greatness from catcher Cal Raleigh, who is coming off a historic season.

Seattle Mariners News / Seattle Mariners on SI / January 23

Mariners will play 13 national TV games during the 2026 regular season

Coming off an impressive 90-win season and their first division championship in 24 years, the Seattle Mariners are scheduled to play on national TV 13 times in the upcoming year.

Seattle Mariners News / MLB Trade Rumors / January 23

Samad Taylor Elects Free Agency

The Mariners announced that infielder/outfielder Samad Taylor has cleared outright waivers and elected free agency. He was designated for assignment last week when Seattle acquired right-hander Yosver Zulueta.

Seattle Mariners News / Seattle Mariners on SI / January 23

MLB Writer says Mariners fans shouldn't worry about recent prospect ranking

Baseball America recently announced its first top 100 prospects list for the 2026 season, and it featured four young Seattle Mariners on the ledger. Shortstop Colt Emerson, outfielder Lazaro Montes, left-handed pitcher Kade Anderson, and right-handed pitcher Ryan Sloan all made the rankings.

MLB News / Yardbarker

The 25 greatest pitching seasons from the modern MLB era

America's favorite pastime has more memorable performances than any sport. As such, figuring out which pitchers had the best seasons ever is no easy task.

Seattle Mariners News / Fastball on SI / January 23

Insider Predicts Mariners Will Move On From 2-Time All-Star

The Seattle Mariners haven't been very active this offseason. Their only major move was re-signing Josh Naylor to a five-year, $92.5 million contract. They also traded for left-hander Jose Ferrer.

Luis Arraez News / Seattle Mariners on SI / January 23

Luis Arraez could be a solid solution at second base for Seattle

With the Seattle Mariners currently in the hunt for a new second baseman, and Padres free agent Luis Arraez currently on the market, why haven't we heard more about the three-time batting champion being their next acquisition?

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The 'NFL tight end receiving leaders' quiz

The 'Last 100-catch season by team' quiz

The '2025 NFL first-team All-Pro' quiz

The 'Last three-passing-TD playoff game' quiz

Seattle Mariners News / Fastball on SI / January 22

Mariners Might Retain $66 Million Free Agent Slugger After All

The Seattle Mariners are in a bit of a tough spot this offseason. After adding to the roster in a big way at the trade deadline, they fell short of the World Series title.

MLB News / Fastball on SI / January 22

Mariners Sign World Series Champion Pitcher After Braves Exit

The Seattle Mariners are hoping 2026 is the year they finally bring home a World Series trophy, and it couldn't hurt to have someone with experience in that field along for the ride.

Julio Rodriguez News / Athlon Sports / January 22

MLB Makes Julio Rodriguez Announcement

The Seattle Mariners took a major step forward as a franchise in 2025, coming just one win short of their first-ever World Series appearance. Although the season ended in heartbreak, optimism remains high in Seattle, with the club’s core locked into team-friendly deals that provide stability for years to come.

MLB News / Fastball on SI / January 22