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 Seattle Mariners are a little over two weeks away from pitchers and catchers reporting to Spring Training on Feb. 12. The Mariners entered the offseason wit ...

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

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

The Jack Flaherty sweepstakes will likely come down to a team like the Atlanta Braves or Baltimore Orioles, but a shocking ...

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

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

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

PITTSBURGH (KDKA) -- The Pittsburgh Pirates have signed infielder/outfielder Adam Frazier to a one-year contract, according ...

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

The Seattle Thunderbirds scored three goals in the second period and added another in the third to surge to a 4-1 win over the visiting Victoria Royals on Friday night. Matej Pekar tied the game ...

The Mariners announced ... invitee this spring. Seattle acquired Taylor, now 26, just under one calendar year ago. He’d been designated for assignment by Kansas City, and the M’s scooped ...