Louisville

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Art Sherman, right, trainer of Kentucky Derby favorite California Chrome, talks with Mike Pegram, left, part owner of second choice Hoppertunity, after the post position draw for the Kentucky Derby horse race at Churchill Downs in Louisville, Ky., Wednesday, April 30, 2014. (AP Photo/Garry Jones)

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Exercise rider Isabelle Bourez takes Kentucky Derby hopeful Intense Holiday for a morning workout at Churchill Downs Wednesday, April 30, 2014, in Louisville, Ky. (AP Photo/Morry Gash)

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Kentucky Derby hopeful Chitu gets a bath after a morning workout at Churchill Downs Wednesday, April 30, 2014, in Louisville, Ky. (AP Photo/Charlie Riedel)

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Exercise rider Ezequiel Perez takes Kentucky Derby hopeful Danza for a morning workout at Churchill Downs Wednesday, April 30, 2014, in Louisville, Ky. (AP Photo/Morry Gash)

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Exercise rider Kelvin Pahal takes Kentucky Derby hopeful Wicked Strong for a morning workout at Churchill Downs Wednesday, April 30, 2014, in Louisville, Ky. (AP Photo/Morry Gash)