137th KENTUCKY DERBY

Jockey John Valazquez, riding Animal Kingdom #16 crosses the finish line on way to winning the $2,000,000 Kentucky Derby Gr.I at Churchill Downs on May 7, 2011 in Louisville, Kentucky. (Photo by Travis Lindquist/Getty Images)

Jockey John Valazquez and Animal Kingdom #16 crosses the finish line to win the 137th $2 million Kentucky Derby at Churchill Downs on May 7, 2011 in Louisville, Kentucky. (Photo by Travis Lindquist/Getty Images)

Animal Kingdom is seen in the paddock at Churchill Downs before winning the 137th running of the Kentucky Derby in Louisville, Kentucky on Saturday, May 7, 2011. (Photo by Luke Sharrett/AFP)

John R. Velazquez holds a rose atop Animal Kingdom in the winner's circle after winning the 137th running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky on May 7, 2011. Velazquez was scheduled to ride Uncle Mo but switched to Animal Kingdom after Uncle Mo was scratched from the lineup. (Photo by Luke Sharrett/AFP)

The horses break from the starter's gate at the start of the 137th Kentucky Derby at Churchill Downs on May 7, 2011 in Louisville, Kentucky. (Photo by Harry How/Getty Images)

John R. Velazquez celebrates atop Animal Kingdom after winning the 137th running of the Kentucky Derby at Churchill Downs in Louisville, Kentucky on May 7, 2011.  (Photo by Luke Sharrett/AFP)

John Velazquez is congratulated by trainer Todd Pletcher (Uncle Mo and Stay Thirsty). (Photo by Jamie Squire/Getty Images)

 

 Barry Irwin, owner of Animal Kingdom celebrates with the trophy in the winner's circle. (Photo by Harry How/Getty Images)

Jockey John Valazquez with the trophy in the winner's circle as he is surrounded by family after he rode Animal Kingdom #16 to victory in the 137th Kentucky Derby. (Photo by Harry How/Getty Images)

Trainer H. Graham Motion celebrates with the trophy in the winner's circle as he is surrounded by family after Animal Kingdom won the 137th Kentucky Derby. (Photo by Harry How/Getty Images)

Jesus L. Castanon atop Shackleford leads the pack around the first turn. (Photo by Luke Sharrett/AFP) 

John R. Velazquez celebrates into a television camera atop Animal Kingdom after winning the 137th running of the Kentucky Derby. (Photo by Luke Sharrett/AFP) 

 Jockey John Valazquez, Animal Kingdom with owner Barry Irwin. (Photo by Harry How/Getty Images)

 A detail of a hat worn by a fan during the 137th Kentucky Derby at Churchill Downs on May 7, 2011 in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images)

Two racing fans display their Derby hats near the paddock at Churchill Downs in Louisville, Kentucky. (Photo by Luke Sharrett/AFP)