Racing Photo Gallery

** FILE ** In this April 28, 2008, file photo, horse trainer Steve Asmussen wears a big smile as he talks with friends outside his barn at Churchill Downs in Louisville, Ky. Asmussen ended Todd Pletcher's four-year grip as the nation's top trainer, and now he's surpassed him with the most nominations to the Triple Crown races. (AP Photo/Ed Reinke, File)