Seattle Mariners: Breaking News, Rumors & Highlights

The three best trade fits for infielder Brendan Donovan

The St. Louis Cardinals are undergoing some big changes this offseason. Under Chaim Bloom, they will be looking to make some big trades.

The most annoying fan bases in sports

The '2025 MLB All-Star Starters' quiz

Features

The Morning Bark

The Quiz of the Day

Seattle Mariners set to hold Randy Johnson number retirement ceremony on May 2, 2026

The Big Unit’s big number will soon be retired by the Seattle Mariners at T-Mobile Park, joining the ranks of Ken Griffey, Jr, Edgar Martinez, Ichiro Suzuki, and Jackie Robinson on May 2, 2026, when the Mariners play the Kansas City Royals.

Seattle Mariners News / Fastball on SI / November 20

Mariners Insider Shares Major Update on Team’s Pursuit of 2x All-Star

The Seattle Mariners have already accomplished their biggest goal of the offseason: bringing back Josh Naylor. He re-signed for five years and $92.5 million.

Seattle Mariners News / ESPN / November 20

Mariners to retire Johnson's No. 51 in '26 season

Hall of Fame left-hander Randy Johnson will have his No. 51 retired by the Seattle Mariners during a pregame ceremony on May 2, 2026, the club announced Thursday.

Philadelphia Phillies News / Yardbarker Quizzes

The '50-home-run MLB seasons' quiz

How many of the players to reach the 50-home run milestone in one MLB season can you name in five minutes?

The 'Active MLB home run leaders' quiz

The 'MLB yearly runs created leaders' quiz

The 'Playoff home run leaders by MLB team' quiz

Seattle Mariners News / Athlon Sports / November 20

Mariners Announce Randy Johnson News Amid MLB Offseason

Legendary left-hander Randy Johnson had one of the greatest pitching careers of all time. In his 22-year MLB career, which spanned six franchises, Johnson had a record of 303-166 in 618 appearances, as he had a 3.29 ERA and struck out 4,875 batters, which is the second-most all-time.

MLB News / Yardbarker

25 notable MLB Hall of Famers who never won a World Series

Among the countless Hall of Famers who never experienced the joy of winning a World Series, there are several notable legends who stand out. Here's our list of the 25 greatest.

Seattle Mariners News / MLB on ClutchPoints / November 20

Mariners rumors: 1 player Seattle hopes to re-sign in free agency

The Seattle Mariners opened MLB Free Agency with a bold move by locking in Josh Naylor on a five-year deal and sending a message about their intent after an ALCS run that fell one win short.

Josh Naylor News / Fastball on SI / November 20

Mariners GM Provides More Evidence Josh Naylor's Contract Was Home Run

It's hard to dull the excitement around the Seattle Mariners re-signing first baseman Josh Naylor. Earlier this week, Seattle officially inked its marquee trade deadline acquisition to a five-year, $92.5 million contract that will keep him around through 2030.

Seattle Mariners News / Fastball on SI / November 20

Mariners Predicted To Sign Slugger To Solid 2-Year, $40 Million Deal

The Seattle Mariners took a huge risk at the trade deadline when they made a pair of trades for two expiring sluggers. The Mariners added infielders Josh Naylor and Eugenio Suárez in an attempt to push for the World Series.

Seattle Mariners News / Fastball on SI / November 20

Mariners Have Been in Touch With All-Star Second Baseman, Per GM

The Seattle Mariners just completed a very successful 2025 season and wasted no time getting to work this offseason. As the first big move of the winter, Seattle re-signed Josh Naylor to a five-year, $92.5 million contract.

Seattle Mariners News / Fastball on SI / November 20

Mariners' $108 Million Star Emerging As Offseason Trade Candidate

The Seattle Mariners were one of the best teams in the league this year, but they fell short of the World Series as the Toronto Blue Jays won the American League Championship Series.

Seattle Mariners News / MLB Trade Rumors / November 20

Mariners remain interested in Jorge Polanco after Josh Naylor deal

The Mariners have made the biggest move of free agency to date, re-signing Josh Naylor to a five-year deal. The $92.5M commitment was handily their biggest to a free agent hitter in the decade that Jerry Dipoto has run baseball operations.

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.

Josh Naylor News / Fastball on SI / November 19

Josh Naylor’s New Comments Will Fire Up Mariners Fans

The Seattle Mariners are fortunately keeping Josh Naylor around for at least the next five seasons. Naylor inked a five-year, $92.5 million deal with Seattle that includes a no-trade clause.

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

The '2022 NFL Week 1 starting QBs' quiz

The 'NFL single-game completions leaders' quiz

The 'NFL QB rushing TD leaders' quiz

The 'NFL yearly tackles-for-loss leaders' quiz

MLB News / Lookout Landing / November 18

Mariners Acquire RHP Alex Hoppe from Boston Red Sox

In a minor trade this afternoon, the Seattle Mariners acquired fireballing righthander Alex Hoppe from the Red Sox in exchange for minor league catcher Luke Heyman.

MLB News / Fastball on SI / November 18

Mariners Found Hidden Gem In Trade For 3-Year Red Sox Farmhand

Tuesday was an important day around Major League Baseball, and the Seattle Mariners made an interesting swap on their pitching staff. Eligible prospects had to be placed on their teams' 40-man rosters by Tuesday afternoon to be safe from the Rule 5 Draft, which takes place during next month's winter meetings.

Seattle Mariners News / Lookout Landing / November 18

Mariners Leave Prospects Unprotected Ahead of 40-Man Roster Deadline

As the deadline to protect minor leaguers from the Rule 5 draft came and went, the Seattle Mariners chose to leave everyone exposed, instead banking on their players not getting selected by other teams.

Josh Naylor News / Fastball on SI / November 18

Mariners Faced Unexpected Josh Naylor Challenge From Low-Budget NL Team

Josh Naylor officially returned to the Seattle Mariners on Monday, and that's what will wind up mattering in the long run. But was there ever a chance he could have been headed elsewhere?

Eugenio Suarez News / Fastball on SI / November 18

Eugenio Suarez’s Reported Market Could Interest Mariners

The Seattle Mariners already have brought back one of their big additions from the summer. Could they do the same with another? Seattle quickly re-signed Josh Naylor to a five-year deal worth $92.5 million this offseason.

Seattle Mariners News / Fastball on SI / November 18

Mariners Could Lose $35M Fan Favorite To Red Sox Or Blue Jays, Per Insider

Even with Josh Naylor re-signed, the Seattle Mariners have a lot of work left to do this offseason. Naylor was on the team in October, when the Mariners fell one run short of their first-ever World Series appearance.

George Kirby News / Athlon Sports / November 17

Mariners' George Kirby Announces Personal News

The Seattle Mariners fell just one win short of reaching the World Series for the first time in franchise history this year. Although Seattle came up short, the future remains bright, especially in the starting rotation, which is one of the best in MLB.

Seattle Mariners News / MLB Trade Rumors / November 16

What do Mariners have in store for longtime top prospect Harry Ford?

With Mitch Garver headed into the open market, the Mariners have a hole to fill on their roster without a clear backup for Cal Raleigh behind the plate.

Report: Mariners to make first major signing of offseason

Awesome MLB players from the 90s you probably forgot about

The '2025 MLB All-Star Starters' quiz

Cal Raleigh News / MLB on ClutchPoints / November 15

Mariners catcher Cal Raleigh reveals Seattle’s clubhouse MVP

Seattle Mariners superstar catcher and 2025 AL MVP runner-up Cal Raleigh opened up about who brought the most energy to the clubhouse during a memorable 2025 season — one that saw Seattle come just a game short of its first World Series appearance in franchise history.

MLB News / Yardbarker / November 14