Joel Rosario rides Orb during the 139th Kentucky Derby at Churchill Downs Saturday, May 4, 2013, in Louisville, Ky. (AP Photo/J. David Ake)

Associated Press
Joel Rosario rides Orb during the 139th Kentucky Derby at Churchill Downs Saturday, May 4, 2013, in Louisville, Ky. (AP Photo/J. David Ake)
Joel Rosario rides Orb during the 139th Kentucky Derby at Churchill Downs Saturday, May 4, 2013, in Louisville, Ky. (AP Photo/J. David Ake)
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