The Flamingo Stakes, run over the main track at Hialeah until 2001, was a key Kentucky Derby prep for decades

...Hispanics at Churchill Downs know they are irreplaceable when it comes to preparing for Saturday's Kentucky Derby. (AP Photo/Al Behrman

Seattle Slew

...Life Pictures/Getty Images) Held by trainer Woody Stephens and with jockey Laffit Pincay, Jr., Astride, Kentucky derby winner swale wears the blanket of roses in the winner's circle at Churchill downs, Saturday...

...Jockey Calvin Borel atop Mine That Bird celebrates his win in the 135th running of the Kentucky Derby on May 2, 2009 at Churchill Downs in Louisville, Kentucky. (Photo by Matthew Stockman/Getty Images...

...in the 134th running of the Preakness Stakes horse race at Pimlico Race Course in Baltimore. Kentucky Derby winner Mine That Bird (2), with jockey Mike Smith aboard finished second, and Musket Man (3...

Summer Bird finishes ahead of Dunkirk and Kentucky Derby winner Mine That Bird to win the Belmont Stakes

Jockey Chris Antley aboard Kentucky Derby winner C... LOUISVILLE, : Jockey Chris Antley aboard Kentucky Derby winner Charismatic holds his finger showing number...

135th Kentucky Derby LOUISVILLE, KY - MAY 02: Jockey Calvin Borel atop Mine That Bird celebrates his win in the...

Borel won his first Kentucky Derby on Street Sense

Borel won his second Kentucky Derby this year on long shot Mine That Bird

Mine That Bird and jockey Calvin Borel winning the Kentucky Derby

One length separated Rachel Alexandra from Kentucky Derby winner Mine That Bird in the Preakness Stakes at Pimlico

Calvin Borel riding Mine That Bird reacts after winning the 135th Kentucky Derby horse race at Churchill Downs Saturday, May 2, 2009, in Louisville, Ky. (AP Photo/Ed Reinke...

...Friday, May 1, 2009, in Louisville, Ky. Rachel Alexandra could be headed to the Preakness with Kentucky Derby-winning jockey Calvin Borel aboard. Borel guided Rachel Alexandra to a record-breaking 20¼-length victory...

Down the stretch

...Borel atop Mine That Bird crosses the finish line to win the 135th running of the Kentucky Derby