Photos from the Kentucky Derby in Louisville, Kentucky. Orb, ridden by jockey Joel Rosario, won the derby. UPI/Kevin Dietsch
Jockey Joel Rosario, ridding Orb, celebrates after winning the 139th Kentucky Derby at Churchill Downs on May 4, 2013 in Louisville, Kentucky. UPI/Kevin Dietsch
The field heads for the first turn in on the sloppy Churchill Downs track during the 139th running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky. May 4, 2013. UPI/Mark Abraham
Jockey Joel Rosario celebrates after winning the 139th Kentucky Derby on Orb at Churchill Downs on May 4, 2013 in Louisville, Kentucky. UPI/Kevin Dietsch