Joel Rosario celebrates after riding Orb to victory in the 139th Kentucky Derby at Churchill Downs Saturday, May 4, 2013, in Louisville, Ky. (AP Photo/David Goldman)

Associated Press
Joel Rosario celebrates after riding Orb to victory in the 139th Kentucky Derby at Churchill Downs Saturday, May 4, 2013, in Louisville, Ky. (AP Photo/David Goldman)
Joel Rosario celebrates after riding Orb to victory in the 139th Kentucky Derby at Churchill Downs Saturday, May 4, 2013, in Louisville, Ky. (AP Photo/David Goldman)
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