Santos’ persistent struggles with command have led to his demotion to Triple-A Tacoma, as the Mariners optioned the ...

SEATTLE – Reinforcements are on the way for a Mariners bullpen that has been stretched thin early in the season. The Mariners ...

There are now two Luis Castillos in the Mariners' rotation -- one nicknamed "The Rock," the other "The Pebble." Here's more ...

One day after a marathon afternoon for their relievers, the Seattle Mariners added a reinforcement to their bullpen ahead of Saturday's game against the Giants.

The Seattle Mariners have added another prospect to the Baseball America Top 100 list, giving them nine in total. With Jacob ...

The Mariners designated Lawrence for assignment Monday. Lawrence will be moved off the 40-man roster and will surrender ... Lawrence made one relief appearance for Seattle and gave up two earned ...

FILE – Seattle Mariners relief pitcher Cody Bolton throws during the sixth inning of a baseball game against the Baltimore Orioles, Friday, May 17, 2024, in Baltimore. (AP Photo/Jess Rapfogel ...

Jurrangelo Cijntje, the Seattle Mariners' 2024 first-round draft pick and unicorn switch-pitching prospect, lived up to the hype in his minor league debut.

The Seattle Mariners have had to turn to the Triple-A Tacoma Rainiers several times this season. And one of the relievers the Mariners brought up is returning t ...

The Seattle Mariners will play their first road series of the season against the San Francisco Giants beginning April 4 at 1:35 p.m. PT. The Mariners will have ...

The move makes way for a journeyman to return to the majors for the first time since 2021. Read more at MLB Trade Rumors.

The Mariners signed Luis F ... third base and batting fifth for the series opener against the Giants. — Relief pitcher Hagen Danner was designated for assignment Friday morning to make room ...