Seattle Mariners: Breaking News, Rumors & Highlights

Top Mariners Spring Training Storylines to Follow

After a long winter, the MLB offseason has finally come to an end. Between the ongoing World Baseball Classic and MLB spring training, baseball fans have had plenty to be excited about.

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The Quiz of the Day

Mariners News: Julio Rodriguez, Brendan Donovan, and Bryce Miller

Good morning! The Mariners defeated the Cincinnati Reds yesterday 6-3 with another solid George Kirby outing. His final line after 4 2/3 innings pitched included two runs, seven hits, one walk, and four strikeouts.

Michael Arroyo News / Seattle Mariners on SI / March 16

Mariners Reassign Michael Arroyo As Latest Spring Training Cuts Roll In

The Mariners made another round of spring roster cuts Sunday, reassigning infielder Michael Arroyo and right-handers Michael Rucker and Ryan Sloan to minor league camp.

Cal Raleigh News / Seattle Mariners on SI / March 15

Mariners’ Latest Projection Reveals A Surprising Catcher Shift Behind Cal Raleigh

According to Daniel Kramer of MLB.com, the Mariners’ latest Opening Day roster projection has Cal Raleigh and Andrew Knizner as Seattle’s two catchers, with Knizner currently edging out Mitch Garver for the backup job.

Gunnar Henderson News / Yardbarker Quizzes

The 'MLB Rookies of the Year since 2000' quiz

How many of these past ROY winners since the 2000 MLB season can you name in six minutes?

The 'MLB 30/30 Club members' quiz

The 'Four-HR MLB games' quiz

The 'Last 200-K pitcher by MLB team' quiz

Cal Raleigh News / Athlon Sports / March 15

Team USA Makes Cal Raleigh Decision Before World Baseball Classic Semifinals

Seattle Mariners catcher Cal Raleigh has had an eventful time at this year’s World Baseball Classic, not just for his on‑field results but also for his actions during games.

Athletics News / Yardbarker

One storyline to follow for every MLB team in 2026

As Spring Training opens for 2026, all 30 teams have high hopes and big questions. These are the storylines to follow for each team heading into Opening Day.

Seattle Mariners News / Lookout Landing / March 15

Mariners Spring Training Game #23

If you’re interested in a little amuse bouche before tonight’s semi-final WBC game between the DR and US, the Mariners are playing an exhibition game against the Cincinnati reds this afternoon.

Seattle Mariners News / Lookout Landing / March 15

Mariners News: Randy Arozarena, Zach Neto, and Hiromi Itoh

Good morning, foLLks, and happy Sunday! The M’s lost by a score of 6-2 to the Angels yesterday as Cactus League play drags on, but we did get a fun sequence of Cole Young knocking in Colt Emerson for Seattle’s first run.

Seattle Mariners News / Seattle Mariners on SI / March 15

Randy Arozarena Offers Mariners The Right Tone After Cal Raleigh Drama

The Mariners had to address this story because once something turns into World Baseball Classic and online discourse, there is no such thing as leaving it alone.

Kade Anderson News / Seattle Mariners on SI / March 14

Kade Anderson’s Reassignment Is Not The Mariners Story That Matters Most

The Mariners trimmed their spring roster to 48 on Saturday, with 34 players on the 40-man roster, 13 non-roster invitees, and one player on the 60-day injured list.

Seattle Mariners News / Seattle Mariners on SI / March 14

Mariners’ Bullpen Picture Takes Painful Turn With Promising Arm Sent Down

The Mariners’ latest roster trim didn’t come with a huge surprise. But a few names did get optioned and reassigned. Seattle took another pass through camp and trimmed the roster to 55, sending Troy Taylor and Josh Simpson to Tacoma while Casey Lawrence and Carson Taylor were reassigned to minor league camp.

Seattle Mariners News / Larry Brown Sports / March 14

Randy Arozarena issues bizarre statement in wake of Cal Raleigh handshake incident

Seattle Mariners outfielder Randy Arozarena still appears to be nursing some hard feelings over Cal Raleigh’s refusal to shake his hand during a World Baseball Classic game.

Cal Raleigh snubs another Mariners teammate during WBC

Pete Crow-Armstrong declared the second-best centerfielder in MLB

The 'MLB home run leaders since 1997' quiz

Athletics News / Yardbarker

25 MLB players that could be traded during the 2026 season

The 2026 MLB season is right around the corner, and it is never too early to start thinking about how it might unfold. Seemingly, every year, we have a decent handle on who should contend and who is likely to struggle, which makes looking ahead to the trade deadline inevitable.

Seattle Mariners News / Lookout Landing / March 14

Mariners Spring Training 2026, Game #22

Seattle’s WBC-sapped lineups have led to a degree of drudgery in their play. As the World Baseball Classic quarterfinals conclude this evening, the Mariners will likely see more of their most prominent players return to the fold.

Seattle Mariners News / Last Word On Sports / March 14

Woo or Gilbert? The Mariners’ Opening Day Starter Debate

The Mariners have, for years now, boasted one of the deepest starting rotations in the league. They have built a roster, development program, and farm system that prioritizes pitching, leaning into the advantage pitchers have at T-Mobile in Seattle.

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The 'Most men's NCAA Tournaments' quiz

The '21+ made free throws in an NBA game' quiz

The '100-rushing-yard Super Bowls' quiz

The '1K-yard, 10-TD-catch NFL seasons' quiz

Seattle Mariners News / Lookout Landing / March 14

Mariners News, 3/14/26: Dane Dunning, José Berríos, and Caleb Ferguson

Good morning everyone, and welcome to the weekend! Though the Mariners lost to the Dodgers 10-7 in yesterday’s spring bout, we saw the first Cactus League homer of the year from Colt Emerson in the latest stages of the contest.

Seattle Mariners News / Larry Brown Sports / March 14

Cal Raleigh snubs another Mariners teammate during WBC

Raleigh threw friendship out the window once he stepped onto the World Baseball Classic diamond on Friday against Team Canada.

Team USA advances to WBC semifinal, but has one concerning issue

Team USA holds on against Canada to reach WBC semis

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

Seattle Mariners News / Lookout Landing / March 13

Mariners Spring Training 2026, Game #21

The Kade Anderson Revolution will be televised. Tonight’s match-up against the Dodgers will be broadcast on SNLA, and it’s an evening game, so you might even get to watch it.

Seattle Mariners News / Seattle Mariners on SI / March 13

Mariners Unintentionally Turn The World Baseball Classic Into A Reality Show

The funniest part of this whole Mariners-at-the-WBC run is that none of it actually feels all that serious. It just keeps getting packaged like the team accidentally signed up for a baseball version of reality TV.

Seattle Mariners News / Athlon Sports / March 13

Mariners' Dan Wilson Announces Randy Arozarena News Amid World Baseball Classic

The Seattle Mariners have one of the most talented rosters in MLB and are well‑equipped to win a second straight American League West title this year. However, as the season approaches, two of the team’s most important players have been involved in an unexpected situation, outfielder Randy Arozarena and catcher Cal Raleigh.

Julio Rodriguez News / MLB on ClutchPoints / March 13

Mariners’ Julio Rodriguez values winning WBC more than World Series

Seattle Mariners star Julio Rodriguez is part of Team Dominican Republic in the World Baseball Classic. While the DR is looking like a true power house, Rodriguez shared what is likely a hot take about the WBC Championship and the World Series.

Josh Naylor News / Athlon Sports / March 12

Josh Naylor Makes Admission About USA-Canada World Baseball Classic Game

Team Canada is set to play in the World Baseball Classic quarterfinals for the first time in the ball club's history. Their opponent? The talented Team USA squad.

Miles Mastrobuoni News / MLB on ClutchPoints / March 11

Mariners’ Miles Mastrobuoni returns to camp after WBC injury vs. Team USA

Seattle Mariners utility infielder Miles Mastrobuoni is leaving Team Italy at the World Baseball Classic and returning to the club’s spring training camp in Arizona after suffering a calf injury during Italy’s shocking upset win over Team USA on Tuesday night.

Bryce Miller News / MLB Trade Rumors / March 11

Bryce Miller May Start Season On Injured List

Mariners right-hander Bryce Miller may not be available for the start of the season. Per Ryan Divish of The Seattle Times, Miller felt some soreness in his left side today and didn’t finish his bullpen session.

Brennen Davis News / Last Word On Sports / March 10

Can Brennen Davis Force a Mariners Roster Decision?

Following his selection in the second round of the 2018 draft, outfielder Brennen Davis has yet to live up to his hype. The Chicago Cubs drafted him, and later DFA’d him in 2025 after a series of injuries kept him off the field nearly every season during his time in Chicago.

MLB News / Yardbarker / March 8

Pair of recent Yankees departures raking this spring

Let’s check in on this duo as they attempt to earn a shot at playing in the majors with their new squads.

The 'MLB player name riddles' quiz

Seattle Mariners News / Just Baseball / March 5

Keep an Eye on the Mariners’ Back-End Bullpen Trio

Fresh off an American League West title in 2025, the Seattle Mariners remain one of Major League Baseball’s top teams. Led by Cal Raleigh and Julio Rodríguez, the squad remains hungry and will be back in the hunt for their first World Series title in 2026.