Park Record Media Center

Trainer Gary Contessa pets Kentucky Derby entrant Uncle Sigh as they school in the paddock at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/Garry Jones) ( Kentucky Derby Horse Racing )

LOUISVILLE, KY - MAY 02: A blacksmith changes a horse's shoes during early morning workouts at Churchill Downs on May 2, 2014 in Louisville, Kentucky. (Photo by Kevin C. Cox/Getty Images) ( 487818797 )

Exercise rider Ezequiel Perez takes Kentucky Derby entrant Danza for a morning workout during a morning workout at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/Morry Gash) ( Kentucky Derby Horse Racing )

A race fan watches the morning training for the Kentucky Derby at Churchill Downs on May 2, 2014 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images) ( 487819677 )

Exercise rider William Delgado takes Kentucky Derby entrant California Chrome for a morning workout during a morning workout at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/Morry Gash) ( Kentucky Derby Horse Racing )

Kentucky Derby competitor Wicked Strong is seen in his barn stall during early morning workouts ahead of the 140th Kentucky Derby at Churchill Downs on May 2, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487837065 )

Exercise rider William Delgado takes Kentucky Derby entrant California Chrome for a morning workout at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/Garry Jones) ( Kentucky Derby Horse Racing )

Exercise rider Emerson Chavez takes Kentucky Derby entrant Commanding Curve for a morning workout during a morning workout at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/Charlie Riedel) ( Kentucky Derby Horse Racing )

Horse make their way around the track during a morning workout at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/Matt Slocum) ( APTOPIX Kentucky Derby Horse Racing )

A race fan watches the morning training for the Kentucky Derby at Churchill Downs on May 2, 2014 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images) ( 487819701 )

A race fan watches the morning training for the Kentucky Derby at Churchill Downs on May 2, 2014 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images) ( 487821067 )

Kentucky Derby contender Samraat in action on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487630315 )

Kentucky Derby competitor Wicked Strong is hotwalked during early morning workouts ahead of the 140th Kentucky Derby at Churchill Downs on May 2, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487837025 )

Trainer Bob Baffert watches during early morning workouts ahead of the 140th Kentucky Derby at Churchill Downs on May 2, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487837075 )

A horse is given a bath during early morning workouts at Churchill Downs on May 2, 2014 in Louisville, Kentucky. (Photo by Kevin C. Cox/Getty Images) ( 487818613 )

Frank Compton watches as Kentucky Derby entrant Ride On Curlin eats after a morning workout at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/David Goldman) ( Kentucky Derby Horse Racing )

Dan Queenan walks Kentucky Derby entrant Commanding Curve after a morning workout at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/David Goldman) ( Kentucky Derby Horse Racing )

Dan Queenan holds Kentucky Derby entrant Commanding Curve after a morning workout at Churchill Downs Friday, May 2, 2014, in Louisville, Ky. (AP Photo/David Goldman) ( APTOPIX Kentucky Derby Horse Racing )

Kentucky Derby entrant Wicked Strong wears a hat before a morning workout a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Garry Jones) ( Kentucky Derby Horse Racing )

Exercise rider Isabelle Bourez takes Kentucky Derby entrant Intense Holiday for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Morry Gash) ( Kentucky Derby Horse Racing )

Exercise rider William Delgado takes Kentucky Derby entrant California Chrome for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Morry Gash) ( Kentucky Derby Horse Racing )

Exercise rider Joel Barrientos takes Kentucky Derby entrant Vicar's in Trouble for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Charlie Riedel) ( Kentucky Derby Horse Racing )

Exercise rider Issac Muniz takes Kentucky Derby entrant Dance With Fate for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Morry Gash) ( Kentucky Derby Horse Racing )

Exercise rider Juan Belmonte takes Kentucky Derby entrant Wildcat Red for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Morry Gash) ( Kentucky Derby Horse Racing )

Trainer D. Wayne Lukas watches early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487601067 )

Kentucky Derby contender California Chrome works during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487601135 )

Kentucky Derby contender California Chrome stands while being bathed after working out on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487601235 )

An exercise rider takes Kentucky Derby hopeful Pablo Del Monte for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Charlie Riedel) ( Kentucky Derby Horse Racing )

Kentucky Derby contender Dance With Fate is bathed after working out on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487601975 )

Kentucky Derby contender Commanding Curve works out on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487602253 )

Kentucky Derby contender Wildcat Red works out on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Jamie Squire/Getty Images) ( 487630353 )

Kentucky Derby contender California Chrome stands while being bathed after working out on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Kevin C. Cox/Getty Images) ( 487630375 )

Danza runs on the track during the morning training for the Kentucky Derby at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images) ( 487630571 )

A billy goat stands outside a barn during the morning training for the Kentucky Derby at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Andy Lyons/Getty Images) ( 487631193 )

Kentucky Derby contender Dance With Fate works out on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Kevin C. Cox/Getty Images) ( 487631195 )

Kentucky Derby contender Dance With Fate works out on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Kevin C. Cox/Getty Images) ( 487631195 )

Kentucky Derby entrant California Chrome gets a bath after a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Charlie Riedel) ( Kentucky Derby Horse Racing )

Exercise rider Dana Barnes takes Kentucky Derby entrant Chitu for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Morry Gash) ( Kentucky Derby Horse Racing )

Exercise rider Kelvin Pahal takes Kentucky Derby entrant Wicked Strong for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Charlie Riedel) ( Kentucky Derby Horse Racing )

Exercise rider Ezequiel Perez takes Kentucky Derby entrant Danza for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Morry Gash) ( Kentucky Derby Horse Racing )

Exercise rider Isabelle Bourez takes Kentucky Derby entrant Intense Holiday for a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Charlie Riedel) ( Kentucky Derby Horse Racing )

Exercise rider William Delgado walks Kentucky Derby entrant California Chrome back to the barn after a morning workout at Churchill Downs Thursday, May 1, 2014, in Louisville, Ky. (AP Photo/Garry Jones) ( Kentucky Derby Horse Racing )

Kentucky Derby contender California Chrome stands while being bathed after working out on the track during early morning workouts at Churchill Downs on May 1, 2014 in Louisville, Kentucky. (Photo by Kevin C. Cox/Getty Images) ( 487630371 )