Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Prospect Michael Arroyo Is Separating Himself From Lazaro Montes

Michael Arroyo and Lazaro Montes arrived in Triple-A at the same time, but they haven’t arrived at the same place developmentally. Six games are not enough to shake up the prospect rankings or demand a major league promotion.

Features

The Morning Bark

The Quiz of the Day

Mariners News: Randy Arozarena, Jordan Walker, and Kyle Schwarber

Good morning! With the conclusion of a fun Home Run Derby last night, the 2026 All-Star Game is set for today at 5 PM. Which team do you predict to win, and which player will have the best performance?

Ken Griffey News / Kicks on SI / July 14

Nike Restocked Ken Griffey Jr.'s Sneakers for the MLB All-Star Game

The 2026 MLB All-Star Game is tonight, but it is a retired baseball player who continues to have the largest influence in the sneaker world. Seattle Mariners legend Ken Griffey Jr.'s Nike sneakers recently sold out in a special-edition colorway celebrating HBCU players.

Randy Arozarena News / Seattle Mariners on SI / July 13

Randy Arozarena Has Become the Mariners’ Version of Marvel’s Sentry

Okay, give this a chance. Promise that it’ll make sense. Watching Randy Arozarena play baseball has some parallels to Marvel’s comic book character Sentry.

Jordan Walker News / Yardbarker Quizzes

The 'MLB Home Run Derby winners' quiz

MLB held its inaugural Home Run Derby event at the 1985 MLB All-Star Game. How many of the winners can you name in five minutes?

The 'MLB All-Star Game managers' quiz

The 'MLB All-Star starting pitchers' quiz

The 'No.1-overall MLB Draft picks' quiz

Seattle Mariners News / Inside The Diamonds / July 13

Seattle Mariners Sign First-Round Pick

The Seattle Mariners drafted third baseman Ace Reese with the 24th overall pick in Saturday’s draft. Today, they signed him for $3.5 million. The 24th overall pick has a $3,818,700 slot value.

MLB News / Yardbarker

Every first-overall MLB draft pick from the 21st century

The MLB Draft doesn’t get the same attention as the NFL Draft…or the NBA Draft…or even the NHL Draft. There’s the element of a stay in a farm system, the general lack of immediate impact for MLB draft picks, and the fact that it’s tougher for one MLB player to turn a franchise’s fortunes around.

Seattle Mariners News / Seattle Mariners on SI / July 13

Why NIL Pushed the Mariners Toward College Players in the 2026 MLB Draft

If you were keeping tabs on the Mariners’ 2026 MLB Draft, you would’ve noticed the absence of high school talent on their draft board. Apparently, it was entirely intentional.

Julio Rodriguez News / MLB on ClutchPoints / July 13

Mariners’ Julio Rodriguez receives encouraging injury update before All-Star break

The Seattle Mariners placed Julio Rodriguez on the 7-day IL in early July after he suffered a concussion in the 1-0 win over the Los Angeles Angels on July 2.

Seattle Mariners News / Lookout Landing / July 13

Seattle Mariners Minor League Roundup – Week Sixteen

The Rainiers managed a split this week, debuting their shiny new star prospects in hitter-friendly Las Vegas. Esteemed sluggers Lazaro Montes and Michael Arroyo donned the Rainiers jersey for the first time in their young careers, putting them just a short drive and a handful of AB’s from a big league promotion.

Seattle Mariners News / Lookout Landing / July 13

Two if by sea

Cal Raleigh and Julio Rodriguez haven’t been good this year. Neither have the Mariners. The Mariners were favorites in the American League on Opening Day, according to FanGraphs.

Luis Castillo News / Seattle Mariners on SI / July 13

Mariners May Be Ready to Cash In Luis Castillo at the Trade Deadline

We’ve spent years calling the Mariners’ starting pitching their greatest strength. Now it may be time they finally deal from it. According to USA Today’s

Seattle Mariners News / Lookout Landing / July 13

Mariners News: Emerson Hancock, Dylan Cease, and Cristopher Sanchez

Good morning! The Mariners have finally snapped their five-game losing streak and will enter the All-Star Break in the win column after an 8-2 victory over the Tampa Bay Rays.

Athletics News / Yardbarker

The 20 greatest MLB teams to never win the World Series

Even the most successful regular-season teams in Major League Baseball have failed to win it all. Here's our list of 20 such clubs that fall into that category.

MLB News / Field Level Media / July 12

Mariners beat Rays, avoid winless stay in Florida

Weston Wilson and Randy Arozarena each went deep in Seattle's four-run fourth inning Sunday afternoon, and the Mariners salvaged one win on their six-game Florida road trip by defeating the Tampa Bay Rays 8-2 in St.

Seattle Mariners News / 5 GOATs / July 12

Seattle Mariners select Tennessee 3B Henry Ford in 2026 MLB Draft

Tennessee third baseman Henry Ford was selected by the Mariners with the No. 191 overall pick in the sixth round of the 2026 MLB Draft. After spending his first two collegiate seasons at Virginia, Ford transferred to the University of Tennessee for his junior campaign.

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

The 'NBA blocks champions' quiz

The 'Women's Wimbledon champions' quiz

The 'Most three-pointers by NBA team' quiz

The '60-point NBA games' quiz

Seattle Mariners News / Lookout Landing / July 12

Deep cuts – possible Mariners targets for Day 2 of the 2026 MLB Draft

In the MLB Draft, the big action usually happens in the first few rounds, but plenty of useful players are found in those later rounds, specifically 5-10.

Seattle Mariners News / Lookout Landing / July 12

Mariners 2026 Draft: Rounds 5-10

We’re back with day two coverage! We’ll have everything you need to know about the first six rounds of today below. A lefthanded outfielder that’s played all three spots in the past, Yost has a simple swing at the plate and produced his best year offensively in 2026.

Seattle Mariners News / MLB on ClutchPoints / July 12

1 trade Mariners must not make at 2026 MLB trade deadline

The Seattle Mariners have a huge problem. The team that was just a couple of innings away from winning the American League pennant and going to its first World Series in team history a season ago has lost its offensive mojo.

MLB News / Field Level Media / July 12

Mariners aren't finding key hits on Florida road swing, to the benefit of Rays

During a seven-game homestand that will end Sunday afternoon against the Seattle Mariners in St. Petersburg, Fla., the Tampa Bay Rays have been getting contributions up and down the lineup.

Seattle Mariners News / 5 GOATs / July 11

Seattle Mariners select Mississippi State 3B Ace Reese in 2026 MLB Draft

Mississippi State third baseman Ace Reese was selected by the Seattle Mariners with the No. 24 overall pick in the 2026 MLB Draft. A borderline Top 20 ranked prospect is off the board.

Nick Anderson News / Inside The Rink / July 10

ECHL: Maine Mariners Re-Sign Nick Anderson

The Maine Mariners are bringing back defenseman Nick Anderson, as he’s signed an ECHL contract for the 2026-27 season. The game seven hero is their first player signing of the season.

Luis Castillo News / MLB on ClutchPoints / July 9

Mariners rumors: Why Luis Castillo is most likely starter trade despite return to form

It has been an up-and-down season for Mariners starter Luis Castillo, as he has not displayed the dominance he once had. But there has been improvement in recent outings. Despite his improvement, he may still be traded away, according to Ken Rosenthal of The Athletic.

Brendan Donovan News / Athlon Sports / July 8

Mariners Receive Brendan Donovan News After 44 Straight Missed Games

The Seattle Mariners have stumbled so far in the 2026 MLB season. Heading into play Wednesday they are 47-45, good enough for first place in a weak American League West.

Stuart Fairchild News / MLB Trade Rumors / July 8

Mariners Sign Stuart Fairchild To Minor League Deal

The Mariners added outfielder Stuart Fairchild on a minor league contract after he rejected an outright assignment with the Guardians earlier this week and instead opted for free agency.

Cal Raleigh News / Yardbarker / July 4

Big Dumper to Big Slumper: Is Mariners' Cal Raleigh a one-hit wonder?

Widely known as the ''Big Dumper'' who crushed a career-high 60 home runs and was the 2025 Home Run Derby champion, Cal Raleigh has significantly underperformed this season. Is he a one-hit wonder?

Comparing the struggles of Vladimir Guerrero Jr. and Cal Raleigh in 2026

Five MLB players in the AL who deserve contract extensions

Dodgers hit with alarming Shohei Ohtani prediction

Mets' Steve Cohen makes big admission, promise amid woeful season

MLB News / Yardbarker / July 3

Mariners' Randy Arozarena had the worst ABS challenge game of the season

Seattle Mariners outfielder Randy Arozarena did not have a very productive first at-bat on Friday night against the Toronto Blue Jays.

Cubs on wrong side of history after blowout loss to Cardinals

Blue Jays' Kazuma Okamoto earns June AL Rookie of the Month award

Why Spencer Miles fits the Blue Jays' 2027 rotation picture

Five MLB players in the AL who deserve contract extensions

Seattle Mariners News / MLB Trade Rumors / July 3

Mariners Place Julio Rodríguez On Concussion IL

The Mariners announced that outfielder Julio Rodríguez has been placed on the seven-day concussion injured list. Infielder/outfielder Miles Mastrobuoni has been selected to take his place on the roster.

Seattle Mariners News / Just Baseball / June 30

Dominic Canzone’s Rise Could Make Him an All-Star

When you think potential All-Stars to come out of Seattle, Logan Gilbert, Bryce Miller, Emerson Hancock, Randy Arozarena, and Julio Rodriguez will be the first names that come to mind.