The Seattle Mariners missed the postseason for a second straight season after finishing with a record of 85-77 and coming in ...

Former Seattle Mariners catcher and farmhand Brian O'Keefe has earned an invite to spring training with the Kansas City Royals. He joins the likes of Austin Cox and Cavan Biggio in that group.

The Kansas City Royals will get ... O’Keefe, meanwhile, was formerly with the Seattle Mariners. He hit .281 with 18 home runs and 58 RBIs in the Royals organization last season at Triple-A ...

The Seattle Mariners acquired right-handed reliever Will Klein from the Oakland Athletics, the team announced on Tuesday ...

Kevin Seitzer, who joined the Seattle Mariners after years with Atlanta, has embraced the analytics-driven changes in MLB.

The Mariners have been known for their robust pitching development, including current big league rotation members Logan Gilbert, George Kirby and Bryce Miller. In a fun twist, when MLB Pipeline ...

A top MLB insider has offered up a bold trade idea that would see the Baltimore Orioles and Seattle Mariners swap elite prospects.

The Seattle Mariners bullpen will be one of the more intriguing position groups to follow on the team. The infield has been ...

The Mariners announced Tuesday that infielder/outfielder Samad Taylor, whom they designated for assignment last week, passed ...

The Mariners have acquired right-hander Will Klein from the Athletics, according to announcements from both clubs. The latter ...