2011 Kentucky Derby

John Velazquez holds the Blanket of Roses after riding Animal Kingdom to victory following the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky.

Trainer Todd Pletcher, left, congratulates John Velazquez after Velazquez rode Animal Kingdom to victory during the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky.

Jockey Jon Court watches as Archarcharch is attended to after the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky. The Arkansas Derby winner, who started from the inside rail, was vanned off the track with a leg injury and will need surgery for a non-life-threatening fracture.

John Velazquez rides Animal Kingdom to victory during the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky.

John Velazquez riding Animal Kingdom (16) passes Nehro and Shackleford to win the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky.

John Velazquez rides Animal Kingdom John Velazquez rides Animal Kingdom — AP Photo/David J. Phillip

John Velazquez rides Animal Kingdom, left, to victory during the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky.

In a photo taken with a fisheye lens, horses leave the starting gate during the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky.

Exercise riders make their way to the track for an early morning workout before the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky.

Exercise rider Carlos Correa takes Kentucky Derby entrant Dialed In for a workout at Churchill Downs Thursday, May 5, 2011, in Louisville, Ky. With many Derby favorites scratched owing to injuries, Dialed In led the morning line Saturday at 4-1.

Amanda Lasater of Mason, Texas, checks the racing program ahead of the 137th Kentucky Derby horse race at Churchill Downs Saturday, May 7, 2011, in Louisville, Ky. The traditional hat may come in handy as the weather forecast threatened afternoon showers to muddy the track.

A horse makes its way to the track for a morning workout at Churchill Downs Friday, May 6, 2011, in Louisville, Ky., in preparation for the 137th running of the Kentucky Derby on May 7.

Steam rises off a horse as it gets a bath after a morning workout at Churchill Downs Thursday, May 5, 2011, in Louisville, Ky.

Exercise rider Hector Ramos takes Kentucky Derby entrant Uncle Mo for a workout at Churchill Downs, May 5, 2011, in Louisville, Ky. Uncle Mo isn't running in Saturday's Kentucky Derby. Owner Mike Repole says the colt has been scratched because he hasn't recovered enough from a stomach ailment to run in the 1 1/4-mile race. Uncle Mo was the 9-2 second choice on the morning line.

A horse does its morning workouts under the lights at Churchill Downs Wednesday, May 4, 2011, in Louisville, Ky.

Exercise rider Derrick Smith takes Kentucky Derby hopeful Twinspired for a workout at Churchill Downs Wednesday, May 4, 2011, in Louisville, Ky.

A horse makes its way to the track for a morning workout at Churchill Downs Wednesday, May 4, 2011, in Louisville, Ky.

Horses make their way to the track for morning workouts at Churchill Downs Wednesday, May 4, 2011, in Louisville, Ky.

Horse racing fans brave the rain to watch Kentucky Derby hopefuls exercise at Churchill Downs on Monday, May 2, 2011, in Louisville, Ky. The Derby is Saturday, May 7.

A horse is led onto the track for a workout in the rain at Churchill Downs on Tuesday, May 3, 2011, in Louisville, Ky.

Kentucky Derby hopeful Dialed In trainer Nick Zito talks to reporters at Churchill Downs on Tuesday, May 3, 2011, in Louisville, Ky.

A horse runs in the mud at Churchill Downs on Tuesday, May 3, 2011, in Louisville, Ky.

Exercise rider Mike Heera on Kentucky Derby hopeful Mucho Macho Man, left, and exercise rider Jon Court on Kentucky Derby hopeful Archarcharch go for a workout at Churchill Downs on Tuesday, May 3, 2011, in Louisville, Ky.

A fan holds an umbrella in the rain as he watches horses workout at Churchill Downs on Tuesday, May 3, 2011, in Louisville, Ky.

A horse heads to the track for a morning workout in the rain at Churchill Downs on Tuesday, May 3, 2011, in Louisville, Ky.

Kentucky Derby hopeful Animal Kingdom gets a bath at Churchill Downs on Tuesday, May 3, 2011, in Louisville, Ky.

Kentucky Derby hopeful Midnight Interlude gets his morning bath by groomer Roman Trujillo at Churchill Downs on Monday, May 2, 2011, in Louisville, Ky. Midnight Interlude is trained by Bob Baffert. The Derby is Saturday, May 7.

Carlos Correa takes Kentucky Derby hopeful Dialed In for a morning run in the rain at Churchill Downs on Tuesday, May 3, 2011, in Louisville, Ky.

Kentucky Derby hopefuls Uncle Mo and Stay Thirsty — AP Photo/Ed Reinke

Kentucky Derby hopefuls Uncle Mo, left, ridden by jockey John Velazquez, and Stay Thirsty, right, ridden by jockey Ramon Dominguez, work out together on the Churchill Downs track on Sunday, May 1, 2011, in Louisville, Ky.