Seattle Mariners: Breaking News, Rumors & Highlights

Jerry Dipoto explains why the Mariners' top prospect is so special

For most teams, drafting a teenage prospect and fully developing them takes years of patience and diligince. It's typically a huge jump from the open ballparks of high school to the confines of a Major League stadium.

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The Morning Bark

The Quiz of the Day

The Seattle Mariners' new lefty reliever should be a valuable addition for 2026

In last year's postseason, the Seattle Mariners often found themselves shorthanded against lefthanded pitching, and it ultimately helped lead to their downfall against the Toronto Blue Jays in the American League Championship Series.

Seattle Mariners News / Seattle Mariners on SI / February 22

Mariners take out Reds in 14-8 Spring Training blowout

The Seattle Mariners flexed their offensive might on Sunday at Goodyear Ballpark, crushing the Reds, 14-8, on Cincinnati's home turf. The win now moves their Spring Training record to 2-1 over the first weekend of exhibition contests, with their only loss so far coming at the hands of the San Francisco Giants.

Seattle Mariners News / Lookout Landing / February 22

Mariners rise to the challenge in comeback victory against Reds

If you turned this game off in the second inning, that’d be understandable. Maybe you are one of the many people who woke up incredibly early to watch the US men’s hockey team gold medal match against Canada.

MLB News / Yardbarker Quizzes

The 'Live-Ball Era strikeout leaders' quiz

How many of the 36 MLB pitchers with 2,500 or more strikeouts in the Live-Ball Era (since 1920) can you name in five minutes?

The 'Home run leaders by MLB team' quiz

The ''MLB: The Show' cover athletes' quiz

The 'Active 200-strikeout MLB seasons' quiz

Josh Naylor News / Seattle Mariners on SI / February 22

Mariners first baseman Josh Naylor has fully embraced the City of Seattle

Well, it's become pretty obvious by now that one of the Seattle Mariners' best recent moves was acquiring first baseman Josh Naylor from the Cleveland Guardians late last season.

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 / February 22

Seattle Mariners backup catcher battle: pick your pony

One of the things about having a more established team is there are fewer spring training roster battles. Backup catcher isn’t exactly the most glamorous

Seattle Mariners News / Last Word On Sports / February 22

Mariners Players Looking to Bounce Back in 2026

The Mariners enter 2026 with one of their deepest rosters in recent memory. In all departments, they look like a squad poised to back up their best season of the century.

Seattle Mariners News / Seattle Mariners on SI / February 22

Mariners Hall of Famer fields grounders with current players at Spring Training

It's still early, but Spring is already in the air for the Seattle Mariners. They have showcased a lot of talent at their Peoria, Arizona camp, as they prepare to defend their American League West Division championship.

MLB News / Seattle Mariners on SI / February 22

The Mariners are set to face the Cincinnati Reds in their first road game of the Spring

The Seattle Mariners will face the Cincinnati Reds in an MLB Spring Training game today (Saturday, February 22) at Goodyear Ballpark. It will be the first exhibition road game of 2026.

Seattle Mariners News / Lookout Landing / February 22

Mariners News, 2/22/26: Miles Mastrobuoni, Jazz Chisholm Jr., and Bill Mazeroski

Happy Sunday everybody! Did anybody wake up for the gold medal hockey game this morning? As of compiling these links last night, I’m still uncertain if I’ll make it out of bed in time for the start.

Kade Anderson News / Seattle Mariners on SI / February 22

Mariners' first-round selection looks sensational in Spring Training side session

When the Seattle Mariners drafted lefthanded pitcher Kade Anderson in the first round of last year's Major League Baseball Draft, they already knew he would likely be on a fast track to The Show.

MLB News / Yardbarker

25 MLB players who have the most to prove in 2026

The new MLB season brings opportunities as players head into their walk years and try to rebound from subpar performances. These 25 players stand out heading into 2026.

Should Red Sox trade for former All-Star infielder?

Mariners getting needed bat in All-Star Brendon Donovan via three-team deal with Cardinals, Rays

Giants CEO calls Dodgers a 'dragon to slay'

Yankees' latest endeavor points to a Jasson Dominguez mistake waiting to happen

Top of Phillies' rotation is elite, but also comes with questions

MLB News / Seattle Mariners on SI / February 21

The Mariners lose in their second Spring game of 2026, falling to the Giants, 10-5

In the course of a long season, no MLB team goes undefeated. And that's especially true in Spring Training, where the goal is more about evaluating talent as opposed to racking up victories.

Seattle Mariners News / Minor League Baseball on SI / February 21

Mariners' No. 5 Prospect Opens Eyes With Power Display in Spring Training Debut

Many Seattle Mariners fans are likely eager to see how their favorite team will build on their 2025 campaign, in which they came one win away from representing the American League in the World Series.

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

The 'Last 40-homer season by MLB team' quiz

The 'Most seasons played by NFL team' quiz

The 'TD-catch leaders by NFL team' quiz

The 'Receiving leaders by NFL season' quiz

Seattle Mariners News / Lookout Landing / February 21

Emerson Hancock picks up 4 strikeouts in 2026 Spring Training debut

It’s all still here. The Mariners played their second game of Spring Training on Saturday, the first of 33 consecutive Saturday games in 2026. There was noticeably less excitement around the blogosphere for this matchup, the novelty of the new season already faded, laying bare the sloppy, non-competitive play of February baseball.

Miles Mastrobuoni News / Seattle Mariners on SI / February 21

Miles Mastrobuoni is making a major statement early in Mariners' Spring Training

Considered a long shot to make the Major League roster, Miles Mastrobuoni struck again, homering in the first inning against the San Francisco Giants on Saturday, as he tries to catch the eyes of the Seattle Mariners' coaching staff.

Mitch Garver News / Last Word On Sports / February 21

Mariners Bringing Back Mitch Garver: How He Fits With This Year’s Roster

The Seattle Mariners have re-signed backup catcher Mitch Garver to a minor league contract worth $2.25 million. Provided he makes the 26-man Major League roster at any point in 2026, with an invite to spring training included.

Seattle Mariners News / Total Apex Sports / February 21

Can the Seattle Mariners Overcome Less Power and Still Win In 2026?

The Seattle Mariners are heading into Spring Training with a roster that looks oddly familiar—and that’s actually a good thing. After their deepest playoff run in franchise history last season, the M’s are bringing back most of the squad that got them there.

Cal Raleigh News / Seattle Mariners on SI / February 21

With new ABS in place, Mariners catcher Cal Raleigh plans to test it out

As Spring training opened up, the fans got to see MLB featuring a few changes, most notable the use of the Automated Balls & Strikes (ABS) System. This alternative umpire will monitor pitches in the same way the game's arbiters have for over 150 years, but in a futuristic, 'Space Odyssey' kind of way.

Seattle Mariners News / Athlon Sports / February 20

Cal Raleigh: 1-on-1 With the Seattle Mariners Superstar

[Editor's note: The following article comes from Athlon Sports' 2026 MLB Preview magazine, the most comprehensive MLB season primer on the market. Order your copy online now, or pick one up at newsstands and retail racks nationwide.] It’s mid-afternoon on a mid-November day, mere hours before that evening’s cocktail-attire MLB Awards show.

MLB News / EasySportz / February 19

Game Preview: Mariners, Padres Set For Spring Training Opener In Peoria

The Cactus League schedule kicks off Friday when the Seattle Mariners and the San Diego Padres meet in spring training action at 1:10 p.m. MST Friday, Feb.

Cal Raleigh News / MLB on ClutchPoints / February 18

Mariners bring back veteran catcher to back up Cal Raleigh

The Seattle Mariners addressed catcher depth Wednesday by bringing back a familiar face ahead of spring training. The Mariners agreed to a minor league deal with veteran catcher Mitch Garver, adding competition behind Cal Raleigh as camp opens in Peoria.

Seattle Mariners News / Last Word On Sports / February 16

Mariners Spring Training: Camp Storylines and Prospects to Watch

Seattle Mariners spring training camp is already underway, with pitchers and catchers reporting last week and live batting practices beginning. With a

Seattle Mariners News / MLB on ClutchPoints / February 16

1 spring training position battle that could shape Mariners’ season

The Seattle Mariners enter 2026 with a clear objective. Win now. Spring training in Peoria has already produced its defining storyline. The battle at second base between Cole Young and Colt Emerson may shape the trajectory of the entire season.

Seattle Mariners News / Minor League Baseball on SI / February 16

Top Mariners Pitching Prospect Dazzles Early in Spring Training

The Seattle Mariners are already known for having one of the best starting pitching staffs in professional baseball heading into the 2026 season. But that rotation could get even more dangerous relatively soon, at least based on some early spring training videos of the team's top pitching prospect.

Jesse Hahn News / MLB Trade Rumors / February 14

Blue Jays Sign Jesse Hahn To Minors Deal

The Blue Jays announced that right-hander Jesse Hahn has been signed to a minor league contract. The deal includes an invitation for Hahn to attend Toronto’s big league Spring Training camp.