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.

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.

Kirby, who has been out all season as he recovers from shoulder inflammation, made his first rehab appearance on Sunday for Triple-A Tacoma. His results looked good, but what happens next is the most important thing to see.