Seattle Mariners: Breaking News, Rumors & Highlights

Mariners’ Bryce Miller Setback Clouds Opening Day Outlook

The Mariners did not need another spring complication in the rotation, but Bryce Miller gave them one anyway. Miller’s first full-effort bullpen since dealing with left side oblique inflammation was cut short on March 11 after he felt discomfort in the area.

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Team Mexico manager reacts to Randy Arozarena-Cal Raleigh World Baseball Classic situation — ‘They’re big boys’

The 2026 World Baseball Classic has been filled with many highlights. However, the perceivedrift between Seattle Mariners teammates Randy Arozarena and Cal Raleigh garnered much attention.

Lazaro Montes News / Seattle Mariners on SI / March 11

Mariners’ Spring Cuts Offer a Sobering Reminder for Lazaro Montes

The Mariners made another round of spring roster cuts on March 11, and while none of the names should stun anybody, one of them does carry a little extra weight.

Cole Young News / Lookout Landing / March 11

Cole Young has three-hit day including massive homer in 11-7 loss to Rockies

If you take out the eight runs given up by Casey Lawrence in the final three innings, this game is a decisive win for the Mariners, and I invite you to live in that reality instead of this one, where the Mariners lose 11-7 to the Colorado Rockies, which even in Spring Training, feels embarrassing.

New York Yankees News / Yardbarker Quizzes

The '50-HR, .300 average MLB seasons' quiz

How many of the 20 MLB players to bat .300 and mash 50 home runs in the same season can you name in five minutes?

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

The 'Active 100-RBI MLB season leaders' quiz

The 'Live-Ball Era strikeout leaders' quiz

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.

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 / 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.

Seattle Mariners News / Lookout Landing / March 11

Mariners Spring Training 2026, Game #19

The Mariners take on the Rockies and their ace Chase Dollander today. Luis Castillo will take the ball for the Mariners. Also scheduled to pitch for the

Josh Naylor News / Athlon Sports / March 11

Mariners Receive Josh Naylor News at World Baseball Classic

The Seattle Mariners opened the offseason by committing to first baseman Josh Naylor in free agency, signing him to a five‑year, $92.5 million deal. It is easy to see why Seattle invested heavily in the 28‑year‑old left‑handed slugger.

Brennen Davis News / Seattle Mariners on SI / March 11

Mariners Have Found Their Most Intriguing Outfield Insurance

The easiest Brennen Davis conversation right now is the lazy one. He’s crushing spring training, so naturally some people want to jump straight to asking if he can force his way onto the Opening Day roster.

Seattle Mariners News / Total Pro Sports / March 11

Cal Raleigh Finally Breaks Silence On Ignoring Randy Arozarena

Cal Raleigh and Randy Arozarena battled together in the trenches as the Seattle Mariners made a deep postseason run to the American League Championship Series last year.

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.

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.

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

The '4,500-yard NFL passers' quiz

The 'NFL tackles-for-loss leaders' quiz

The 'Team USA 2026 WBC roster' quiz

Seattle Mariners News / Lookout Landing / March 10

Mariners consider being controversial, change mind, win 4-3

What exactly is the cost of a Mariners win. Certainly, it can’t be too expensive, right? Professional athletes work themselves out so hard everyday to grind out wins one-at-a-time, so you have to factor that in as an expense.

Seattle Mariners News / Larry Brown Sports / March 11

Cal Raleigh addresses WBC handshake moment with Randy Arozarena

Team USA defeated Mexico 5-3 on Monday night in a thrilling World Baseball Classic game, but all of the headlines were regarding Seattle Mariners teammates Cal Raleigh and Randy Arozarena.

Bryan Woo News / Seattle Mariners on SI / March 10

Mariners Are Watching Bryan Woo Pick Up Right Where He Left Off

Spring stats can lie to you. A pitcher can cruise through two innings in March and still look nothing like himself. That is why Bryan Woo’s latest outing actually felt worth paying attention to.

MLB News / Inside The Rink / March 10

ECHL Series Recap: Adirondack Thunder vs Maine Mariners | 03/08/-03/10/2026

The Adirondack Thunder, after winning 10 straight games, have now lost five in a row and have dropped five straight, including the last three in OT after losing both games to the Maine Mariners, who have now won a franchise-best 11 straight.

Seattle Mariners News / Inside The Rink / March 10

ECHL Game Recap: Mariners Win in Overtime; Stretch Winning Streak to 11

The Maine Mariners this morning faced the Adirondack Thunder. The Mariners had a come-from-behind win over the Thunder on Sunday to extend their win streak to ten games.

Seattle Mariners News / Larry Brown Sports / March 10

Randy Arozarena goes off on Cal Raleigh over handshake snub

Seattle Mariners teammates Randy Arozarena and Cal Raleigh are suddenly at odds thanks to the World Baseball Classic. Arozarena faced off against Raleigh when Team Mexico faced the United States on Monday night in the WBC at Daikin Park in Houston, Tex.

Ryan Sloan News / Athlon Sports / March 9

Fantasy Baseball: Ryan Sloan's Cactus League Debut Sparks Card Interest

Mariners prospect Ryan Sloan makes a dazzling debut in the Cactus League on March 1, 2026, retiring the side in order with a perfect inning and a 99 mph strikeout that sends collectors into a frenzy.

Seattle Mariners News / Last Word On Sports / March 9

Can Julio’s Bat Support This Mariners Offense?

Since his debut in 2022 and winning the AL Rookie of the Year award, Julio Rodriguez has been a MLB star. Helping start this winning mentality in the Mariners organization that hasn’t been seen or felt in 25 years.

Bryce Miller News / Athlon Sports / March 8

Mariners Have Decision to Make After Bryce Miller Injury News

The Seattle Mariners have boasted one of the best pitching staffs in baseball in recent years, and their rotation of All-Star-level starters was instrumental in their playoff push to the American League Championship Series in 2025.

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.

Seattle Mariners News / Just Baseball / March 4

Down on the Farm: Mariners Top Prospect Notes

Even after acquiring Brendan Donovan, the Seattle Mariners have one of baseball’s best farm systems, headlined by three top 30 prospects and five in the preseason top 100.