Seattle Mariners: Breaking News, Rumors & Highlights

Seattle Mariners News / Fastball on SI / January 13

Mariners 2-For-1 Mock Trade Brings $12 Million All-Star To Seattle

The Seattle Mariners were one of the best teams in the league last year, but they fell short of the World Series title. They made a few moves at the trade deadline to acquire sluggers Josh Naylor and Eugenio Suárez from the Arizona Diamondbacks.

MLB News / Yardbarker / January 14

Which MLB ballparks could use a change in dimensions?

Each team's park should be different from one another while simultaneously aiming to keep a neutral playing ground.

Rob Manfred: MLB Has Discussed Shortening Schedule & Adding In-Season Tournament

MLB To Celebrate America’s Semiquincentennial Throughout 2026 Season

25 current MLB players who will end up in the Hall of Very Good

The 'MLB Home Run Derby champions' quiz

Miles Mastrobuoni News / Lookout Landing / January 13

40 in 40: You’ve Gotta Hand It To Miles Mastrobuoni

I’ve never viewed myself as a Miles Mastrobuoni truther. With all due respect, I’m not sure that many people have. If I started this article by asking if we’re underappreciating Miles Mastrobuoni, I don’t even know if you’d keep reading.

Chicago Cubs News / Yardbarker Quizzes

The 'MLB active hit leaders' quiz

How many of the active MLB players with at least 1,200 career hits can you name in six minutes?

The 'Active 100-RBI MLB season' quiz

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

The '30 or more home runs in 2003' quiz

Cal Raleigh News / Last Word On Sports / January 12

What Can We Expect of Cal Raleigh in 2026

Cal Raleigh had one of the most historic seasons in MLB history. In most other seasons, that level of production would win an MVP. Hitting 60 home runs from the most demanding position in the sport defies logic and is unlikely to be repeated.

NFL News / Yardbarker

The 25 most memorable sports plays of 2025

When it comes to unforgettable plays within the 2025 sports calendar, this was truly a special year. Here's our rankings of the 25 best.

Colt Emerson News / Seattle Mariners on SI / January 11

Could Mariners top prospect Colt Emerson be the 2026 AL Rookie of the Year?

Colt Emerson will enter Spring Training in a few weeks with much anticipation. The Seattle Mariners and their fans have seen and heard nothing but great things about the 20-year-old phenom, who looks he will not only have an opportunity to make the big league ball club, and possibly even break into the everyday, starting lineup.

MLB News / Fastball on SI / January 11

Pirates Urged To Steal $66 Million Slugger From Mariners In Free Agency

The Seattle Mariners took a huge shot at the trade deadline and swung a pair of trades for Arizona Diamondbacks sluggers Josh Naylor and Eugenio Suárez.

Hagen Danner News / Fastball on SI / January 11

Mariners Lose 27-Year-Old Free Agent Pitcher To Reds

It's been a quiet few weeks for the Seattle Mariners on the free-agent front, but there was one departure to note from this past week. Mariners fans never truly got to know right-handed pitcher Hagen Danner, who has one major league appearance under his belt and didn't make one for the Mariners this past season.

Bryce Miller News / Seattle Mariners on SI / January 11

Mariners starting pitcher Bryce Miller must be better in 2026

The 2025 season is probably the toughest one of Bryce Miller's career. While the Mariners' righty got to be a part of the franchise's first division title winner since 2004.

MLB News / Seattle Mariners on SI / January 10

Is Toronto free agent Bo Bichette REALLY an option for the Seattle Mariners?

There are an awful lot of teams that would love to have Toronto Blue Jays' current free agent Bo Bichette, and the Mariners are certainly one of them.

Seattle Mariners News / Seattle Mariners on SI / January 10

With prospects on the rise, the Mariners must seek shorter-term deals in free agency

This offseason, the Seattle Mariners went into the winter with three-fourths of their infield headed to free agency. The team quickly re-signed their top priority, first baseman Josh Naylor, but lost second sacker Jorge Polanco to the New York Mets.

MLB News / Yardbarker

The 25 greatest pitching seasons from the modern MLB era

America's favorite pastime has more memorable performances than any sport. As such, figuring out which pitchers had the best seasons ever is no easy task.

Eugenio Suarez News / Fastball on SI / January 10

Mariners Could Potentially Lose Eugenio Suarez To Unexpected NL Team

The Seattle Mariners have a little work left to do this offseason. They kept Josh Naylor around, but lost Jorge Polanco to the New York Mets in free agency.

Ketel Marte News / Fastball on SI / January 10

Mariners Linked To Possible Reunion With 2-Time All-Star After Ketel Marte News

The Seattle Mariners were one of the teams that had shown interest in Ketel Marte. However, the Arizona Diamondbacks pulled him off the market on Friday, which eliminates one option.

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The 'Passing + Rushing TD playoff games' quiz

The 'Active 1K-receiving-yard seasons' quiz

The 'NFL Playoff rushing-TD leaders' quiz

The 'Last QB to win a playoff game by team' quiz

Jurrangelo Cijntje News / Seattle Mariners on SI / January 10

Switch-pitcher Jurrangelo Cijntje is a unique Mariners prospect

The Seattle Mariners have a plethora of pitching prospects as part of their stocked farm system. And, each one of them has a different style on the mound.

Seattle Mariners News / Seattle Mariners on SI / January 9

Mariners will play four games on NBC's Sunday Night Baseball in 2026

The Seattle Mariners captured much of the nation's attention with their frantic finish to the 2025 season, along with the improbable but impressive offensive outburst of Cal Raleigh.

Seattle Mariners News / Seattle Mariners on SI / January 9

Mariners' 19-year-old pitching phenom could develop into the ace of the Seattle staff

The Seattle Mariners will be pretty set with their veteran pitching rotation heading into the 2026 MLB season, Headed by 15-game winner Bryan Woo, the group is still jelling as a unit, and one of the five regulars, Luis Castillo (33), is over thirty years of age.

Bryce Miller News / Seattle Mariners on SI / January 9

Mariners & Bryce Miller can't come to an agreement, pitcher now headed for arbitration

On Thursday, the Seattle Mariners announced they had signed six of seven arbitration-eligible players, including key contributors like pitcher George Kirby and outfielder Randy Arozarena.

Seattle Mariners News / Seattle Mariners on SI / January 8

How will MLB's problems with the FanDuel Network affect the Mariners?

Commissioner Rob Manfred announced on Thursday that Major League Baseball will be prepared to produce and distribute the telecasts for nine teams that have terminated their deals with FanDuel Sports Network.

Seattle Mariners News / Field Level Media / January 8

Reports: Mariners make deals with Randy Arozarena, George Kirby

The Seattle Mariners avoided arbitration with a pair of players Thursday, reaching one-year agreements with outfielder Randy Arozarena and right-handed starting pitcher George Kirby, according to multiple reports.

Randy Arozarena News / MLB Trade Rumors / January 8

Mariners agree to deal with Randy Arozarena to avoid arbitration

Acquired from the Rays at the 2024 trade deadline, Arozarena has been an impactful source of power in the heart of Seattle’s lineup since that trade.

Former Mariners ace Felix Hernandez getting huge boost to Hall of Fame chances

25 current MLB players who will end up in the Hall of Very Good

The 'Most home runs by a switch hitter' quiz

Patrick Wisdom News / MLB Trade Rumors / January 7

Mariners To Sign Patrick Wisdom To Minor League Deal

The Mariners and infielder Patrick Wisdom are in agreement on a minor league deal, reports Aram Leighton of Just Baseball. The Apex Baseball client will receive an invite to big league spring training.