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 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,

The Pittsburgh Pirates aren't normally known for their free agency dealings, but recently made an offer that would've served as the biggest in fran

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

With the re-signing of Josh Naylor out of the way, Seattle Mariners GM Justin Hollander detailed the team's next priorities to Wyman and Bob.

With teams rushing to get their 40-man rosters in line on Tuesday, the Seattle Mariners have acquired pitcher Alex Hoppe from the Boston Red Sox.