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.

Bret Boone knows this could be a make-or-break road trip for the Seattle Mariners if ... and scored three times as the Mariners beat the Kansas City Royals 14-7 Friday night.

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 ...

The Mariners signed 2010 AL Rookie of the Year Neftali Feliz to a minor league deal with a spring training invite. Read more ...

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

The Seattle Mariners are a little over two weeks ... Lopez was originally drafted by the Kansas City Royals in the the 16th round of the 2011 MLB Draft. In his 14 seasons as a professional ...

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

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