Seattle Mariners: Breaking News, Rumors & Highlights

Tai Peete’s Cardinals Breakout Puts Mariners’ Brendan Donovan Trade Under Scrutiny

In what has already been an uncomfortable season, here’s something else that can ruin the Mariners’ day: Tai Peete left their organization with swing-and-miss attached to nearly every conversation about his future.

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The Morning Bark

The Quiz of the Day

Mariners fade into fall in 7-0 loss to Astros

The Mariners were pushed to the brink of elimination Tuesday night, losing to the Astros 7-0. Logan Gilbert never found a rhythm in this one, allowing baserunners to lead off each of the first three innings.

Seattle Mariners News / Seattle Mariners on SI / September 22

Mariners Lose Scout Behind George Kirby and Jonny Farmelo to Orioles

George Kirby is still a Mariner. Ty Holub, the scout credited with signing him, may be on his way out. He appears to be headed to the Baltimore Orioles.

Seattle Mariners News / Lookout Landing / September 22

What were the best moments of the 2026 Seattle Mariners season?

I realize I’m jumping the gun here by six games and the Mariners are not mathematically eliminated yet, but I mean…(/gestures at entire cosmically cursed existence of the Seattle Mariners Baseball Club).

Chicago Cubs News / Yardbarker Quizzes

The 'Most lefty-homers in a season' quiz

How many of the lefty mashers with the most home runs in a single season for each MLB franchise can you name in five minutes?

The 'MLB 30/30 Club members' quiz

The 'Last 3-HR game by MLB team' quiz

The 'MLB active hit leaders' quiz

Randy Arozarena News / Seattle Mariners on SI / September 22

Mariners Need to Prepare for Life Without Randy Arozarena After Latest Free Agency Prediction

The Mariners can hope that Randy Arozarena stays. But they also know they need to prepare for what their 2027 lineup looks like without him. He has easily become one of the hardest bats to replace.

Athletics News / Yardbarker

The most surprising player from every MLB team for the 2026 season

The 2026 season has been headlined by young players emerging, but some wily veterans have also had their day. As we head toward the end of the regular season, these 30 players stand out as the biggest surprises on their teams.

Seattle Mariners News / Lookout Landing / September 22

Mariners News: Kade Anderson, Alex Bregman, and Dylan Cease

Good morning! The Mariners are back in action tonight at 6:40 PM to take on the Houston Astros. Logan Gilbert gets the start against RHP Cristian Javier.

Brendan Donovan News / Seattle Mariners on SI / September 22

Mariners Have One Year Left to Make the Brendan Donovan Trade Pay Off

The Mariners already know Brendan Donovan can play third base. They spent most of his brief first season in Seattle asking him to do it. Penciling him in there again for 2027 would be the easy move.

Seattle Mariners News / Seattle Mariners on SI / September 21

Mariners Should Bring Back Road Gray Jerseys After Rays’ Uniform Reveal

It’s not like it hasn’t been said before, but the Mariners should definitely bring back their road gray jerseys. Tampa Bay’s new uniform made that case even more legitimate.

Seattle Mariners News / Lookout Landing / September 21

Number 2, Ascending

The Mariners are not the worst team in baseball anymore. That hasn’t always been obvious these last few months. The Mariners have been terrible in the second half of the season.

Jerry Dipoto News / Seattle Mariners on SI / September 20

Defending Mariners’ Jerry Dipoto Shouldn’t Mean Dismissing Calls for Change

Jerry Dipoto took over the Mariners when Nelson Cruz was in his first Seattle season, Félix Hernández still sat atop the rotation and the franchise’s postseason drought had reached 14 years.

Kade Anderson News / Minor League Baseball on SI / September 20

Mariners' Top Prospect Kade Anderson Twirls a Gem in Latest MLB Start

The top pitching prospect in baseball, Seattle Mariners left-hander Kade Anderson, just turned in his best outing yet in the big leagues. Anderson, MLB Pipeline's No.

MLB News / Yardbarker

The most disappointing player from every MLB team for the 2026 season

The 2026 season hasn't gone as planned for many MLB players. These 30 players stand out as the biggest disappointments for their respective teams.

Kade Anderson News / Field Level Media / September 20

Rookie Kade Anderson fires 7 scoreless as Mariners edge Rockies

Kade Anderson threw seven scoreless innings, allowing just three hits in the longest outing of his rookie season, and the visiting Seattle Mariners stayed alive in the postseason race with a 2-1 win over the Colorado Rockies in Denver on Sunday.

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

The 'Most 300-yard, 3-TD NFL games' quiz

The 'NFL all-time passing leaders' quiz

The 'FBS animal nicknames' quiz

The 'Most lefty-homers in a season' quiz

J.P. Crawford News / MLB Trade Rumors / September 20

Mariners Haven’t Yet Discussed New Contract With J.P. Crawford

J.P. Crawford is in the final season of the four-year, $46.15MM extension he signed with the Mariners in April 2022, and is on the verge of becoming a

MLB News / Field Level Media / September 20

Mariners wrap up road schedule with rubber match vs. Rockies

The road hasn't been kind to the Seattle Mariners this year, but they could finish their three-game series against the Colorado Rockies in Denver on a positive note Sunday afternoon.

Dan Wilson News / MLB Trade Rumors / September 19

Mariners Manager Dan Wilson Unlikely To Return In 2027

After falling one win short of their first American League pennant in 2025, the Mariners entered this season with sky-high expectations. They boasted AL-leading 79.6% playoff odds at FanGraphs on Opening Day, but the number has plummeted to 0.5% with eight games remaining.

Randy Arozarena News / Larry Brown Sports / September 19

Randy Arozarena is being linked to 1 team in rumors

Randy Arozarena could be eyeing a return to the AL East. The Seattle Mariners All-Star outfielder Arozarena is “likely” to leave the team in free agency this offseason, Ryan Divish of The Seattle Times reported this week.

Seattle Mariners News / MLB on ClutchPoints / September 19

The Mariners’ biggest disappointment this season aside from Cal Raleigh

Cal Raleigh’s stunning collapse, from a 60-homer, MVP-caliber 2025 to a .181/.293/.369 line in 2026, has rightfully dominated the conversation around Seattle’s disappointing campaign.

MLB News / Field Level Media / September 18

Lazaro Montes’ 9th-inning homer lifts Mariners past Rockies

Lazaro Montes homered leading off the top of the ninth, J.P. Crawford also went deep and the Seattle Mariners beat the host Colorado Rockies 5-4 in Denver on Friday night.

Michael Arroyo News / Minor League Baseball on SI / September 13

Mariners' Michael Arroyo Checks Off Several MLB Firsts in Big Day at Plate

Seattle Mariners prospect Michael Arroyo is only three games into his first stint in the big leagues. But in his third MLB game, the 21-year-old easily had his best offensive performance yet in the majors.

MLB News / Yardbarker / September 12

White Sox cannot rely on Luis Castillo with a game in doubt for rest of the season

Luis Castillo allowed three earned runs on four hits and three walks with two strikeouts in 2.2 innings on Saturday night in the Chicago White Sox's 6-5 win over the St. Louis Cardinals.

White Sox's young core has been vital to team's turnaround

The 'MLB active wins leaders' quiz

Stuart Fairchild News / MLB Trade Rumors / September 11