Gabriel Saez (R) aboard Eight Belles, leads Bob Black Jack, with Richard Migliore up (L) through the main stretch at the start of the 134th running of the Kentucky Derby at Churchill Downs on May 3, 2008 in Louisville, Kentucky. Philly Eight Belles, who finished second, was euthanized on the track due to a fatal injury. (UPI Photo/Frank Polich)