Derby 138 hopeful Dullahan with Faustino Aguilera galloped during morning workouts,Wednesday, May 02, 2012 at Churchill Downs in Louisville. Photo by Jonathan Palmer
Derby 138 hopeful Dullahan with Faustino Aguilera galloped during morning workouts,Wednesday, May 02, 2012 at Churchill Downs in Louisville. Photo by Jonathan Palmer Herald-Leader
Derby 138 hopeful Dullahan with Faustino Aguilera galloped during morning workouts,Wednesday, May 02, 2012 at Churchill Downs in Louisville. Photo by Jonathan Palmer Herald-Leader

Kentucky Derby

May 04, 2012 2:55 PM

How did this year's Kentucky Derby horses get their names? Find out here

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