Mariners activate LHP Gabe Speier, DFA RHP Mike Baumann

(Photo credit: Stephen Brashear-USA TODAY Sports)

The Seattle Mariners reinstated left-hander Gabe Speier from the injured list Friday in advance of a game against the Houston Astros and designated right-hander Mike Baumann for assignment.

Speier, 29, had been out since late May with a left rotator cuff strain. He was 0-2 this season with a 6.06 ERA in 22 relief outings. In six major league seasons with the Kansas City R