Derby horses gathered to take the track for morning exercises  at Churchill Downs  on Thursday May 3, 2012 in Louisville, Ky. Photo by Mark Cornelison | Staff
Derby horses gathered to take the track for morning exercises at Churchill Downs on Thursday May 3, 2012 in Louisville, Ky. Photo by Mark Cornelison | Staff Herald-Leader
Derby horses gathered to take the track for morning exercises at Churchill Downs on Thursday May 3, 2012 in Louisville, Ky. Photo by Mark Cornelison | Staff Herald-Leader