The Seattle Mariners have frustrated fans all offseason with their inability to make significant roster upgrades. Because of ...

According to Adam Jude of the Seattle Times, the Seattle Mariners didn't think that Triston Casas was a good fit for T-Mobile ...

There's also been plenty of chatter around the Mariners possibly trading starting pitcher Luis Castillo in order to free up ...

Video showed the 2023 All-Star throwing a bullpen at Cressey Sports Performance weeks before Spring Training begins.

Another Mariners offseason, another year of avoiding the big moves that might lift the team to real contention, says ...

Read about Seattle's best prospects, including Colt Emerson, Cole Young, Larazo Montes, Michael Arroyo, Ryan Bliss, Jonny Farmelo and more.

Prospects1500 brings you the Top 50 prospects for each system in baseball. This is our Seattle Mariners Top 50 prospects for ...

In 2024, the Seattle Mariners surprised baseball fans with a strong showing in a division consisting of the Astros and the reigning 2023 championship Rangers. Led by the strongest pitching staff ...

The Seattle Mariners have re-acquired catcher Blake Hunt in a trade with the Baltimore Orioles for cash considerations.

Dominican infielder Kendry Martinez was among 17 additional players agreeing to seven-figure bonuses, a $2.5 million deal with the Seattle Mariners.

The Mariners signed Fujinami to a minor-league contract Friday that includes an invitation to spring training, Jon Morosi of MLB Network reports.

The Seattle Mariners have kicked off the international signing period on a good note by inking two of the best prospects available. MLB.com's Daniel Kramer reports that the club signed Venezuelan ...