KENTUCKY DERBY DOINGS

Golden Soul trains on the track in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Rob Carr/Getty Images)

Trainer Todd Pletcher watches horses during a morning workout at Churchill Downs Thursday, May 2, 2013, in Louisville, Ky. (AP Photo/Charlie Riedel)

Kentucky Derby favorite Orb is seen in his stall before his morning workout at Churchill Downs Thursday, May 2, 2013, in Louisville, Ky. Saturday will be the 139th running of the Kentucky Derby. (AP Photo/Charlie Riedel)

A horse makes it’s way to the track for a morning workout at Churchill Downs Thursday, May 2, 2013, in Louisville, Ky. (AP Photo/Charlie Riedel)

Normandy Invasion goes over the track during morning training in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Vyjack goes over the track during morning training in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Frac Daddy goes over the track during morning training in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

 Exercise rider Humberto Zamora rides Kentucky Derby hopeful Verrazano during morning training in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Mylute runs on the track during the morning training for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)

Will Take Charge walks to the track during the morning training for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)

Charming Kitten trains on the track in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Oxbow walks to the track during the morning training for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)

Goldencents gets washed in the barn area during the morning training for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images)

Revolutionary trains on the track in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Goldencents trains on the track in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Overanalyze trains on the track in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Itsmyluckyday trains on the track in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Normandy Invasion gets a bath after training in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Palace Malice trains on the track in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)

Black Onyx goes over the track in preparation for the 2013 Kentucky Derby at Churchill Downs on May 1, 2013 in Louisville, Kentucky. (Photo by Rob Carr/Getty Images)