The Royals today have acquired right-handed pitcher Sean O?Sullivan and left-handed pitcher Will Smith from the Angels in exchange for infielder Alberto Callaspo. In addition, outfielder Rick Ankiel was returned from his rehab assignment with Triple-A Omaha and activated from the 15-day D.L. Ankiel is in uniform for tonight?s game in New York against the Yankees. O?Sullivan will report to the Royals in New York and is expected to be the starting pitcher on Sunday while Smith was assigned to Class A Advanced Wilmington in the Carolina League.