KY DERBY DOINGS

Virginia-bred Bodemeister is riden on the track during the morning excercise session in preparation for the 138th Kentucky Derby at Churchill Downs on April 27, 2012 in Louisville, Kentucky. (Matthew Stockman/Getty Images North America)

Union Rags, held by Luis Aguirre and groomed by Eduardo Cruz, is bathed after the morning excercise session in preparation for the 138th Kentucky Derby.  (Matthew Stockman/Getty Images North America)

Union Rags is riden by Peter Brette during the morning excercise session in preparation for the 138th Kentucky Derby. (Matthew Stockman/Getty Images North America)

Went The Day Well is riden on the track during the morning excercise session in preparation for the 138th Kentucky Derby on April 27, 2012. (Matthew Stockman/Getty Images North America)