AP Photo/David J. Phillip
Jockey Mario Gutierrez rides I'll Have Another to victory in the 138th Kentucky Derby horse race at Churchill Downs Saturday, May 5, 2012, in Louisville, Ky.
AP Photo/Darron Cummings
Jockey Mario Gutierrez rides I'll Have Another to victory in the 138th Kentucky Derby horse race at Churchill Downs Saturday, May 5, 2012, in Louisville, Ky.
AP Photo/Mark Humphrey
Jockey Mario Gutierrez rides I'll Have Another to victory past Bodemeister ridden by Mike Smith (6) to victory in the 138th Kentucky Derby horse race at Churchill Downs Saturday, May 5, 2012, in Louisville, Ky.
AP Photo/Morry Gash
Jockey Mario Gutierrez rides I'll Have Another to victory in the 138th Kentucky Derby horse race at Churchill Downs Saturday, May 5, 2012, in Louisville, Ky.
AP Photo/Michael Conroy
Jockey Mario Gutierrez reacts after riding I'll Have Another to victory in the 138th Kentucky Derby horse race at Churchill Downs Saturday, May 5, 2012, in Louisville, Ky.
AP Photo/Michael Conroy
Jockey Mario Gutierrez reacts after riding I'll Have Another to victory in the 138th Kentucky Derby horse race at Churchill Downs Saturday, May 5, 2012, in Louisville, Ky.
AP Photo/Charlie Riedel
Kentucky Derby entrant Union Rags yawns during his bath after a morning workout at Churchill Downs, May 4, 2012, in Louisville, Ky.
AP Photo/Charlie Riedel
An exercise rider works out a race horse during the early morning hours at Churchill Downs, May 4, 2012, in Louisville, Ky.
AP Photo/Charlie Riedel
Kentucky Derby entrant Rousing Sermon gets washed after his morning workout at Churchill Downs, May 4, 2012, in Louisville, Ky.
AP Photo/Charlie Riedel
Kentucky Derby entrant Hansen is walked around the barn after a morning workout at Churchill Downs, May 3, 2012, in Louisville, Ky.
AP Photo/Morry Gash
In this image taken with a slow shutter, exercise rider Zeke Castro takes Kentucky Derby entrant Went the Day Well for a workout at Churchill Downs, May 3, 2012, in Louisville, Ky.
AP Photo/Charlie Riedel
A horse is seen in it's stable as the sun rises at Churchill Downs, May 3, 2012, in Louisville, Ky.
Getty Images
Union Rags trains on the track in preparation for the 138th Kentucky Derby at Churchill Downs, May 3, 2012, in Louisville, Ky.
AP Photo/Morry Gash
Kentucky Derby entrant Sabercat gets a bath after a morning workout at Churchill Downs, May 3, 2012, in Louisville, Ky.
AP Photo/Morry Gash
In this image taken with a slow shutter speed, exercise rider Hector Ramos takes Kentucky Derby entrant Gemologist for a workout at Churchill Downs, May 3, 2012, in Louisville, Ky.
AP Photo/Garry Jones
Jockey Calvin Boral takes Kentucky Derby entrant Take Charge Indy for a morning workout at Churchill Downs, May 2, 2012, in Louisville, Ky.
AP Photo/Charlie Riedel
Horses workout before the sun come up at Churchill Downs, May 2, 2012, in Louisville, Ky.
Getty Images/Rob Carr
Horses train on the track in preparation for the 138th Kentucky Derby at Churchill Downs on May 2, 2012 in Louisville, Kentucky.