An unspecified setback has knocked the exciting 3-year-old Honor A. P. out of the Grade 3 Sham Stakes on Saturday at Santa Anita. Honor A. P., trained by John Shirreffs, was expected to start as the favorite in the one-mile race based on his dazzling maiden victory. However, after training on Tuesday at Santa Anita, Honor A. P. showed signs of something being amiss. Details to follow at drf.com.