Kevin Millwood has only recently returned from a shoulder ailment.

Also plagued by a shoulder ailment, Perez has not won since his first start, May 14.

Cook was already expected to miss the first few weeks of the season with a shoulder ailment.

He has been plagued by shoulder ailments for years.

"We thought about that, but there's really no choice," said Cone, recuperating from a shoulder ailment.

Canseco, who has been bothered by a shoulder ailment this season, averaged 34 home runs a year in his first six years.

Wang started five games in September after recovering from a shoulder ailment.

Smith missed two months of the season with a shoulder ailment and had surgery after the season.

He missed the last four months of last season with a shoulder ailment.

Zane Smith, a crucial part of the plan to win with pitching, is said to be recovered from a shoulder ailment.