Seattle Mariners: Breaking News, Rumors & Highlights

Mariners catcher Cal Raleigh breaks slump by walking off Yankees

The Seattle Mariners secured a 2–1 win Monday night as catcher Cal Raleigh delivered a walk-off vs. the New York Yankees, snapping an early-season slump after opening the year with 10 strikeouts in four games — the most ever by a Mariners hitter to start a season, prompting a brief reset.

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Mariners win first walk-off of the season, 2-1 over Yankees

Even though the Mariners were winning most of the game, it still felt like they were going to have to win on a comeback, which they eventually did. The Yankees were dominating the ABS challenge system, and the Mariners had a few defensive miscues, driving all the focus to the Yankees’ half-innings.

MLB News / ESPN / March 31

Yanks go 5-for-5 on ABS challenges; Boone irked

The Yankees won all five of their challenges utilizing the automated ball-strike system during Monday night's game against the Seattle Mariners.

Cal Raleigh News / Field Level Media / March 31

Cal Raleigh’s walk-off single lifts Mariners past Yankees

Cal Raleigh's walk-off single in the ninth inning gave the Seattle Mariners a 2-1 victory against the visiting New York Yankees on Monday night in the opener of a three-game series.

Pete Crow-Armstrong News / Yardbarker Quizzes

The 'Youngest MLB 30/30 seasons' quiz

How many of the MLB players to hit 30 home runs and steal 30 bases in the same season before turning 25 years old can you name in five minutes?

The 'MLB 30/30 Club members' quiz

The 'MLB active hit leaders' quiz

The 'Last 100-RBI season by MLB team' quiz

Seattle Mariners News / MLB on ClutchPoints / March 31

Watch Mariners’ Luis Castillo reach incredible milestone at Aaron Judge’s expense

The Seattle Mariners are looking for revenge. Last season, the Mariners came as close as they’ve ever been to winning the World Series. They fell just short in the AL Championship Series, losing to the Toronto Blue Jays in Game 7.

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.

Red Sox to sign former Yankees relief pitcher ahead of Opening Day

MLB announces 80-game suspension for Johan Rojas

Mets star gets help from former teammate after clubhouse issues

Three comeback arms to watch in National League East

Five X factors in the AL Central

Giancarlo Stanton News / Larry Brown Sports / March 30

Giancarlo Stanton commits a ridiculous baserunning blunder vs. Mariners

Giancarlo Stanton quickly realized during Monday’s game that he has still the speed of Giancarlo Stanton. Stanton and the New York Yankees faced off on Monday against the Seattle Mariners at T-Mobile Park in Seattle, Wash.

Seattle Mariners News / Larry Brown Sports / March 30

Mariners have a notable new plan for Cal Raleigh

Baseball fans may unfortunately be seeing less of Big Dumper this season. Seattle Mariners star catcher Cal Raleigh received the day off on Monday. Raleigh was out of the lineup for Monday’s series-opening game against the New York Yankees at T-Mobile Park in Seattle, Wash.

Seattle Mariners News / Lookout Landing / March 30

Arkansas Travelers announce 2026 roster, headlined by Mariners top two pitching prospects

The Mariners’ Triple-A affiliate, the Tacoma Rainiers, is already underway (Max has the recap for you on Triple-A Opening Weekend here.) The Mariners’ Double-A affiliate, the Arkansas Travelers, open up their season at home in Dickey-Stephens Park on April 7.

Seattle Mariners News / Lookout Landing / March 30

Mariners and KING 5 announce plan to air 10 games on over-the-air cable for free in 2026

Fresh off the heels of a big Opening Day weekend, the Mariners and KING 5 made a significant announcement this morning. Friend of the blog Joe Veyera had

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 30

Seattle Mariners Minor League Roundup – Opening Weekend

Welcome back, prospect lovers! Whether you’re new to the minor leagues or a seasoned veteran, our weekly roundup of all that’s occurred down on the farm is a fantastic way to stay up to date on all the up-and-comers in the organization.

Emerson Hancock News / Seattle Mariners on SI / March 30

Emerson Hancock Just Gave Mariners a Seriously Intriguing Rotation Problem

Emerson Hancock was supposed to be a temporary answer for the Mariners rotation. Instead, he pitched like someone trying to make that arrangement a lot less temporary.

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

The 'Rushing-TD leaders by NFL team' quiz

The 'Most Elite Eight appearances' quiz

The 'Nine three-pointer NBA games' quiz

The 'Youngest MLB 30/30 seasons' quiz

Seattle Mariners News / Last Word On Sports / March 30

Mariners Series Opener; Overview and Take-Aways

The first series of the 2026 season is wrapped up, and the Mariners walk away splitting the series 2-2. There were some ups and some downs in this matchup with a few familiar sights.

Seattle Mariners News / Lookout Landing / March 30

Mariners News, 3/30/26: Emerson Hancock, Brendan Donovan, and J.P. Crawford

Good morning! An incredible outing last night from starter Emerson Hancock led the Mariners to an 8-0 win over the Cleveland Guardians to wrap up their first series of 2026.

Dan Wilson News / Last Word On Sports / March 30

Dan Wilson’s Bullpen Decisions Raise Early Questions in 2026

As the Mariners turn the page to a new season with renewed optimism, the memory of how close they came to a first World Series title still lingers. Just eight outs away from making franchise history.

Paul Skenes News / Yardbarker / March 30

Five things to watch in MLB this week

The MLB season has started and now enters its first full week. Here are five things to watch this week.

Twins manager Derek Shelton is first ABS ejection of MLB season

The 'Charter members of the American League' quiz

Cal Raleigh News / MLB on ClutchPoints / March 29

Mariners’ Cal Raleigh ends opening series vs Guardians with dreadful stat line

Cal Raleigh’s follow-up to his stellar 2025 campaign in which he finished as the runner-up to Aaron Judge in the AL MVP voting is not off to a flying start.

Emerson Hancock News / Field Level Media / March 29

Emerson Hancock, Mariners shut out Guardians

Seattle right-hander Emerson Hancock pitched six hitless innings as the Mariners defeated the visiting Cleveland Guardians 8-0 on Sunday. Brendan Donovan hit a three-run homer as the Mariners earned a split of the season-opening, four-game series.

Seattle Mariners News / MLB Trade Rumors / March 29

Breaking Down Potential Extensions For Logan Gilbert And Bryan Woo

The Mariners have become a playoff contender in recent years thanks in large part to their pitching. Between Logan Gilbert, George Kirby, and Bryan Woo, the club has a plethora of effective homegrown starters.

Luke Raley News / Seattle Mariners on SI / March 28

Luke Raley’s Start Has Mariners Fans Wondering if the 2024 Version Is Back

Luke Raley is one of those players who doesn’t need much time to remind you what the appeal is. A couple games into the season and he’s already launched two homers, driven in three runs, and made himself impossible to ignore. Nobody’s asking him to be the star of the lineup or cut the strikeouts down overnight.

Seattle Mariners News / Athlon Sports / March 28

Mariners are Making Bizarre MLB History and it Somehow Makes Sense

The Seattle Mariners are only two games into the 2026 season, but they have already done something that feels almost impossible in modern baseball. Through their first two games against the Cleveland Guardians, Seattle has not recorded a single.

Cole Young News / Field Level Media / March 28

Mariners' Cole Young vies to continue power display vs. Guardians

Cal Raleigh hit a record-setting 60 home runs last season, but he didn't hit the longest one on his own team. That honor went to Seattle Mariners rookie second baseman Cole Young, who belted a 456-foot blast.

Seattle Mariners News / Last Word On Sports / March 28

Three Player Predictions for the Seattle Mariners 2026 Season

With the 2026 MLB season underway, it is only right to give some player predictions. This season is very anticipated by fans after coming up short, just eight outs away from Seattle’s first-ever World Series.

Seattle Mariners News / MLB Trade Rumors / March 25

Mariners Place J.P. Crawford On IL; Andrew Knizner Elects Free Agency

The Mariners announced their Opening Day roster, with a few moves of note. Shortstop J.P. Crawford will start the season on the 10-day injured list, retroactive to March 22nd, due to right shoulder inflammation.

MLB News / Yardbarker / March 25

Three teams most likely to prevent a Dodgers three-peat

MLB Opening Day is finally here and there will be a firm target on the back of the Los Angeles Dodgers. Here are three teams that could interrupt the Dodgers' quest for a three-peat.

Dodgers make a surprising move before Opening Day

2026 MLB predictions: Aaron Judge makes more history, surprise seller, World Series winner

The 'World Series single-game K leaders' quiz