KENTUCKY DERBY DOINGS

Mylute, with Rosie Napravnik aboard, participates in a workout at Churchill Downs in Louisville, Ky., Sunday, April 21, 2013. (AP Photo/Churchill Downs, Reed Palmer)

Kentucky Derby hopeful Normandy Invasion peers out from Barn 42 after a morning gallop at Churchill Downs in Louisville, Ky., Sunday, April 21, 2013. (AP Photo/Garry Jones)

Revolutionary watches activity around Barn 33 at Churchill Downs in Louisville, Ky., Sunday, April 21, 2013, while getting a bath after a morning workout. (AP Photo/Garry Jones)

Kentucky Derby hopeful Will Take Charge, left, under jockey Jon Court, draws even with stablemate Channel Isle, with exercise rider Rudy Quevedo riding, on the turn during a morning workout at Churchill Downs in Louisville, Ky., Sunday, April 21, 2013. (AP Photo/Garry Jones)

Trainer Chad Brown, who hopes to have Normandy Invasion start in the upcoming Kentucky Derby, talks with members of the media outside Barn 42 at Churchill Downs in Louisville, Ky., Sunday, April 21, 2013. (AP Photo/Garry Jones)

Kentucky Derby hopeful Verrazano, with jockey Gary Stevens aboard, stretches out in the turn during a morning workout at Churchill Downs in Louisville, Ky., Sunday, April 21, 2013. (AP Photo/Garry Jones)