The Seattle Mariners traded for Boston Red Sox right-handed prospect Alex Hoppe on Tuesday, giving them another intriguing bullpen arm possibility for 2026. However, since the Mariners didn't have a 40-man roster spot available, they had to make a corresponding roster move.

Josh Naylor, who was a key midseason acquisition that propelled the Mariners to a division title, didn't take long in free agency before deciding to stay with the club. He agreed to a five-year deal worth $92.5 million on Monday.

The Seattle Mariners announced Wednesday that the franchise will mark its 50th season in 2026 with a yearlong series of events.

The Mariners will play their 50th season in 2026, and they've got a seasons worth of festivities planned for the year.

The Mariners announced today that the franchise will celebrate its 50th season throughout 2026, headlined by 50 Seasons Celebration Weekend from August 7-9 at T-Mobile Park. The Mariners will honor the Top 50 Greatest Mariners Players in a special pregame ceremony on August 8,

When the Mariners first traded for Josh Naylor, he made the comment that he always enjoyed hitting at T-Mobile Park.

Coming off their fourth trip to the American League Championship Series, the Seattle Mariners are preparing for a season long 50th anniversary celebration.

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