He left a game early with pain in his arm. He then "retired" so that the Royals wouldn't have to pay him while he was out.
He reported to Spring Training this year hoping to earn a spot in an otherwise very young rotation. Appier's struggling this spring, and I have a feeling he won't make the team. Here are his stats so far this spring:
I've always been a fan of Appier, especially in his first tour of duty in KC. But now I think it's best for him to move aside and give some younger guys a chance.