Mariners right-hander George Kirby, who was shut down in early March with shoulder inflammation, made his first rehab start Sunday with Triple-A Tacoma.

Mariners pitcher George Kirby, who has yet to make his season debut, will start for Triple-A Tacoma as he works his way back from a shoulder issue.

Seattle Mariners right-hander George Kirby (shoulder) made his first minor-league rehab start on Sunday for Triple-A Tacoma and allowed just one earned run on a solo homer while walking none and striking out four in three innings of work.