Seattle Mariners: Breaking News, Rumors & Highlights

Mariners ride resurgent bullpen into series opener vs. Angels

With the members of their rotation finally healthy, the Seattle Mariners needed to find a role for Emerson Hancock. So they sent their former first-round pick back to the minors to learn how to pitch out of the bullpen.

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Leo Rivas hits walkoff homer as Mariners sweep Cardinals

Leo Rivas had seen enough. Rivas laced a walkoff homer in the bottom of the 13th on Wednesday as the Mariners completed a sweep of the Cardinals. The 4-2 win was the Mariners’ fifth straight, and they held their ground just one game behind the Astros in the AL West.

MLB News / MLB on ClutchPoints / September 11

Mariners’ Leo Rivas goes first-pitch hunting for walk-off blast vs. Cardinals

The Seattle Mariners secured a dramatic win in their playoff chase as Leo Rivas launched his first career walk-off home run to complete a three-game sweep of the St.

Josh Naylor News / Fastball on SI / September 10

Mariners' Josh Naylor 'Likely' To Sign $60-Plus Million Free Agency Deal

The Seattle Mariners have made a lot of big moves over the last few years to try to push for a World Series, but to this point, they've come up short. At the trade deadline this year, the Mariners added two expiring sluggers, Josh Naylor and Eugenio Suárez, from the Arizona Diamondbacks.

Seattle Mariners News / Fastball on SI / September 10

Mariners Star Potentially At Risk Of Missing Postseason Roster

The Seattle Mariners are looking to hold onto the final wild-card spot in the American League. They've struggled for weeks after the trade deadline, despite adding on in a big way, but the lineup is beginning to hit its stride again.

Jonny Farmelo News / Lookout Landing / September 10

Arizona Fall League roster announcements headlined by Mariners prospect Jonny Farmelo

The Seattle Mariners have announced their submissions to the Peoria Javelinas for the Arizona Fall League this October and November. The list is led by OF Jonny Farmelo, who will join several top prospects from other ballclubs on the Peoria Javelinas.

MLB News / Fastball on SI / September 10

Mariners' Julio Rodriguez Makes Astros Admission As AL West Race Heats Up

It's an exciting, nerve-wracking time to be a Seattle Mariners fan. After it appeared they were on the brink of total collapse, the Mariners are suddenly red-hot.

Seattle Mariners News / Sporting News / September 10

Mariners' Cal Raleigh on verge of Mickey Mantle's switch-hitting MLB record, but with very different left-right splits

The Big Dumper is doing it differently.

Josh Naylor News / Field Level Media / September 10

Josh Naylor, Mariners look to sweep visiting Cardinals

There aren't many hitters who rank T-Mobile Park as their favorite. But Josh Naylor is the exception. Naylor went 3-for-4 with a tie-breaking home run and Randy Arozarena also went deep and drove in four runs as the Seattle Mariners rallied to beat the visiting St.

Randy Arozarena News / Sporting News / September 10

Arozarena reminds Cardinals of trade cost in Mariners’ win

Randy Arozarena delivered another reminder of St. Louis’ trade regret, doing damage against the pitcher he was dealt for.

MLB News / Lookout Landing / September 10

Mariners don’t whiff, win 5-3 over Cardinals

As a young reader, I was more of an Ann M. Martin reader than a Matt Christopher one, so I’m not sure if there was a book called “The Pitcher Who Didn’t Get Whiffs” but if there wasn’t, tonight’s game would be great inspiration for it.

Randy Arozarena News / Field Level Media / September 10

Randy Arozarena homers, drives in 4 to help Mariners edge Cards

Randy Arozarena homered and drove in four runs and Josh Naylor also went deep as the Seattle Mariners defeated the visiting St. Louis Cardinals 5-3 on Tuesday night in an interleague game.

Seattle Mariners News / Fastball on SI / September 9

Mariners Next Star? MLB Insider Shares Praise For Top Prospect

The Seattle Mariners have been one of the more intriguing teams to follow this season. They're loaded with talent, and a few of their players are putting together monster seasons.

MLB News / MLB Trade Rumors / September 9

Rangers sign pair of players to minor league deals

Both players had recently been released, by the Mariners and by the Braves, respectively.

Ryan Bliss News / MLB Trade Rumors / September 8

Mariners infielder undergoes season-ending meniscus surgery

He is already on the 60-day injured list. Seattle’s Opening Day second baseman suffered a biceps rupture on a swing in the middle of April.

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Seattle Mariners News / MLB on ClutchPoints / September 8

Mariners’ Cal Raleigh now 1 home run shy of hallowed Mickey Mantle record

Seattle Mariners catcher Cal Raleigh’s unbelievable season took another historic turn on Sunday when he hit his 53rd home run of the season. Raleigh’s shot, which was part of an 18-2 Seattle onslaught against the Atlanta Braves, moved him to within one home run of Mickey Mantle’s single-season record for a switch hitter.

Cal Raleigh News / MLB on ClutchPoints / September 8

Cal Raleigh brutally honest about Mariners’ approach amid fiery offense

The past few weeks haven’t been going very smoothly for the Seattle Mariners. They were swept by the Tampa Bay Rays in a three-game set to begin the month, and they followed that up with a loss to the Atlanta Braves in their series opener back on Friday.

Seattle Mariners News / MLB Trade Rumors / September 6

Jorge Polanco vests 2026 player option

Mariners infielder Jorge Polanco took his 450th plate appearance of the 2025 season during tonight’s 10-2 win over the Braves, and in doing so he unlocked a player option for the 2026 campaign.

Tai Peete News / Minor League Baseball on SI / September 5

Top Mariners Prospect Closing In On Impressive Feat After Latest Big Game

The Seattle Mariners are in the thick of the American League playoff picture, and right now, their sole focus involves finding their way into the postseason.

Ryan Sloan News / Just Baseball / September 5

Ryan Sloan: The Mariners’ Future Ace and a Potential No. 1 Pitching Prospect

Ryan Sloan might not have been the flashiest name on draft day, but the Seattle Mariners knew what they were doing when they made him a second-round overslot pick to pull him away from a Wake Forest commitment.

Bryan Woo News / Athlon Sports / September 4

Bryan Woo Tells Mariners ‘Do Something About It’ as Season Slips

TAMPA, Fla. -- The Mariners’ playoff margin is shrinking fast. They are running out of time to straighten this out — and the clubhouse knows it. After a team meeting on Tuesday to “air out” frustrations, Seattle dropped its second straight to the Rays.

Harry Ford News / Athlon Sports / September 3