51�Թ�

He was diagnosed with inflammation in the latissimus dorsi near the shoulder during spring training and has yet to pitch for the Mariners.

The latissimus dorsi was starting to tighten with discomfort.

Wallen also revealed that he injured his latissimus dorsi in Australia and has been “trying to work through that quietly.”

He was sidelined between July 31 and Sept. 21 by a strained right latissimus dorsi muscle.

The platelet-rich plasma injection was used to treat a strained latissimus dorsi on his right side.