Seattle Mariners: Breaking News, Rumors & Highlights

Mariners Must Keep Fernando Tatis Jr.’s Bizarre Homer Drought From Becoming Their Story

The Mariners and Padres close out the Vedder Cup this weekend at T-Mobile Park, and Seattle already knows how thin the path is. After getting swept in San Diego during the first three games of the season series, the Mariners basically have to play perfect baseball to have any realistic chance of stealing this thing back.

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Mariners fall behind, get chased down by Mason Miller in 2-0 loss

The Mariners waited too long, and Mason Miller eventually caught up with them. The Padres shutout the Mariners 2-0 in Friday’s series opener in Seattle.

Cal Raleigh News / Athlon Sports / May 15

Insider Doesn't Expect Mariners to Make Move Despite Cal Raleigh Injury

The Seattle Mariners' lineup took a bit of a hit this week. Seattle placed All-Star catcher Cal Raleigh on the 10-day injured list on Thursday with a right oblique strain, adding literal insult to injury in what has been a nightmare season for the 29-year-old backstop.

Luis Castillo News / Seattle Mariners on SI / May 15

Luis Castillo Gave Mariners Just Enough To Keep Their Rotation Problem Complicated

Luis Castillo did what he needed to do. He earned his first win of the 2026 season in Seattle’s 8-3 victory over the Astros in Houston, and the Mariners absolutely needed that version of him to show up.

Seattle Mariners News / Yardbarker Quizzes

The 'Active 40-HR MLB seasons' quiz

There are 24 active MLB players with at least one 40-home run season under their belt. How many of those players can you name in five minutes?

The '50-HR, .300 average MLB seasons' quiz

The 'American League MVPs' quiz

The 'Last 40-homer season by MLB team' quiz

Brennen Davis News / MLB Trade Rumors / May 15

Brennen Davis Has Assignment Clause In Deal With Mariners

Outfielder Brennen Davis is with the Mariners on a minor league deal. As part of that deal, he has an assignment clause today, per Ryan Divish of The Seattle Times.

MLB News / Yardbarker

The 25 greatest rookie seasons in MLB history

Not every all-timer has instant success at the next level. For many baseball players, it takes a few bumps in the road out of the gate before they ever reach stardom.

Cal Raleigh News / MLB on ClutchPoints / May 15

Mariners rumors: Will Seattle make trade after Cal Raleigh’s injury?

With Seattle Mariners star catcher Cal Raleigh dealing with an injury that placed him on the injured list (IL), the baseball world is wondering if the team will make any moves to rectify the situation.

Seattle Mariners News / Fastball on SI / May 15

Mariners’ Rotation Now a Must-Watch Before 2026 Trade Deadline

If you're a Major League Baseball team in need of good pitching, the Seattle Mariners are the team that you should have your eyes on. The Mariners have boasted one of the best starting rotations in baseball for years at this point.

Randy Arozarena News / Seattle Mariners on SI / May 15

Mariners Are Seeing Two Different Randy Arozarenas And T-Mobile Park Is The Obvious Suspect

Nothing says Mariners baseball quite like watching a hitter turn into a menace on the road, then come home and start battling the ballpark like it’s the final boss.

George Kirby News / Lookout Landing / May 15

Mariners News: José Suarez, George Kirby, and The Tampa Bay Rays

Good day folks and happy Friday! The Mariners bounced back in a big way yesterday, rolling past the Astros in an 8-3 series finale victory. Despite a lofty 36.1% strikeout rate, Luke Raley’s hot season with the stick continues.

Seattle Mariners News / Larry Brown Sports / May 15

Mariners superstar lands on IL for first time in career

The Seattle Mariners placed catcher Cal Raleigh on the 10-day injured list Thursday with a right oblique strain, marking the first IL stint of his six-year major league career.

Seattle Mariners News / Seattle Mariners on SI / May 14

Mariners’ Quick José Suarez Departure Exposes A Roster Crunch That Is Only Beginning

The Mariners traded left-hander José Suarez to the Athletics for cash on May 14, ending a stay in Seattle that barely had time to become a stay at all.

MLB News / Yardbarker

Which 20 players have hit four home runs in an MLB game?

The only two things rarer in modern-day baseball than the four-homer game is the Triple Crown and the unassisted triple play. The former is, of course, done over an entire season, while there's a large level of lucky in the unassisted triple play.

MLB News / Lookout Landing / May 14

Mitch Garver steps up for the injured Cal Raleigh in 8-3 Mariners win

In a day when the Mariners lost their starting catcher with Cal Raleigh going on the IL, Mitch Garver stepped into the role and had his best game of the season – on both sides of the ball – in an 8-3 victory.

Seattle Mariners News / Field Level Media / May 14

Luke Raley and Mitch Garver homer to lead Mariners over Astros

Luke Raley and Mitch Garver hit home runs as the Seattle Mariners defeated the host Houston Astros 8-3 Thursday afternoon, taking three of four games in the series between the American League West rivals.

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The 'Most 40-point games in a season' quiz

The 'Active 40-HR MLB seasons' quiz

The 'NFL's active 1K-rushers' quiz

The 'Active NBA double-double leaders' quiz

Cal Raleigh News / MLB on ClutchPoints / May 14

AJ Pierzynski reveals honest truth of injury Mariners’ Cal Raleigh is dealing with

The Seattle Mariners have been up and down this season, and things may not get better in the short term after Cal Raleigh was placed on the 10-day IL. Raleigh is dealing with a right oblique strain, and there’s no doubt that it’s been affecting his play, as he just broke his 0-38 streak.

Seattle Mariners News / Athlon Sports / May 14

Mariners Provide Injury Update on Key Reliever

On the same day where the Seattle Mariners placed struggling star catcher Cal Raleigh on the 10-day IL with a right oblique strain, the team received some promising injury news.

Seattle Mariners News / MLB on ClutchPoints / May 14

Mariners’ Luke Raley hits massive 1st inning homer just hours after Cal Raleigh hit IL

As Seattle Mariners star catcher Cal Raleigh has been put on the injured list (IL), there could be fans worried about the power hitting on the team with his absence, though he had been in a slump of his own.

Seattle Mariners News / Just Baseball / May 14

The Seattle Mariners Won’t Win the AL West, Someone Else Will

Remember the last time everyone agreed on something? That was awesome. We all placed the same bet, and everyone walked away with extra cash in their pockets.

Seattle Mariners News / Yardbarker / May 14

Mariners’ Cal Raleigh heads to the IL for the first time in his career

Seattle Mariners catcher Cal Raleigh has not had the same level of success this season as he had last year when he finished runner-up to New York Yankees outfielder Aaron Judge for the American League MVP.

Mariners' Cal Raleigh nearing wrong side of MLB history

Aaron Judge has advice for Anthony Volpe after disappointing return

Inside the NL Central, MLB's best division: Where each team excels, struggles at season's quarter mark

Three MLB teams who could get early jump on trade deadline