 After his release on June, Shirley signed with the Royals eight days later.His tenure with Kansas City was disastrous, as he appeared in just three games, pitching 7.1 innings and giving up 12 runs, including five home runs, for an ERA of 12.73.The Yankees re-signed him to a minor league contract, and he finished the season with their Triple-A farm club, the Columbus Clippers.