An absolutely stacked Mariners farm system is getting even better. Seattle has opened the 2026 international signing period by landing three of MLB Pipeline’s Top 50 international prospects, including outfielders Juan Rijo (No.

The Mariners are in talks with the Cardinals over a left-handed reliever with a $4.25 million pre-arbitration deal for 2026.

Seattle is also receiving its flowers from MLB's flagship channel, MLB Network. MLB Network is currently in the midst of releasing its "Top 100 players right now" list and the Mariners had two players ranked within the 80-61 range, which were revealed Jan. 14.

The Seattle Mariners will acquire righthanded relief pitcher Yosver Zulueta, who pitched for the Reds organization in 2025. The M's jumped on Zulueta when he be

The Seattle Mariners will be one of the most-featured teams on Sunday Night Baseball as it moves to NBC and Peacock this year.

On Wednesday morning, it was announced that Seattle Mariners ' left-hander Gabe Speier will be pitching for Team USA in the upcoming World Baseball Classic, which begins on March 4. Later on Wednesday morning, Speier joined MLB Network to talk about his inclusion in the event, and his excitement for it.

The Seattle Mariners are poised for a World Series breakthrough in 2026, with experts forecasting years of success for the team.

The 2025 Seattle Mariners were littered with homegrown talent. Cal Raleigh, George Kirby, Logan Gilbert, Bryan Woo, and Julio Rodriguez were all difference-makers — and all of those players came through the system.

This story was excerpted from Daniel Kramer’s Mariners Beat newsletter. To read the full newsletter, click here. And subscribe to get it regularly in your inbox.

While the Seattle Mariners have a terrific roster, featuring superstars like Julio Rodriguez and Josh Naylor, there's been a steady eye fixed on the farm system

The Seattle Mariners were first in one category and second in another in the MLB Pipeline Executive Poll about player development.