Zayat Stables’ American Pharoah posted a bullet workout at Churchill Downs Sunday – the fastest of the day at the distance – covering five furlongs in :58.40 under jockey Martin Garcia.Zayat Stables’ American Pharoah posted a bullet workout at Churchill Downs Sunday – the fastest of the day at the distance – covering five furlongs in :58.40 under jockey Martin Garcia.Zayat Stables’ American Pharoah posted a bullet workout at Churchill Downs Sunday – the fastest of the day at the distance – covering five furlongs in :58.40 under jockey Martin Garcia.Zayat Stables’ American Pharoah posted a bullet workout at Churchill Downs Sunday – the fastest of the day at the distance – covering five furlongs in :58.40 under jockey Martin Garcia.Zayat Stables’ American Pharoah posted a bullet workout at Churchill Downs Sunday – the fastest of the day at the distance – covering five furlongs in :58.40 under jockey Martin Garcia.Zayat Stables’ American Pharoah posted a bullet workout at Churchill Downs Sunday – the fastest of the day at the distance – covering five furlongs in :58.40 under jockey Martin Garcia.Zayat Stables’ American Pharoah posted a bullet workout at Churchill Downs Sunday – the fastest of the day at the distance – covering five furlongs in :58.40 under jockey Martin Garcia.Bayern, winner of the 2014 Breeders' Cup Classic, scheduled to contest the Churchill Downs Stakes on Kentucky Derby day, arrives early Sunday afternoon.Bold Conquest gets frisky after galloping a mile and a half Sunday under exercise rider Abel Flores in preparation for the Kentucky Derby at Churchill Downs in Louisville, Kentucky.Kentucky Derby contender Bolo is escorted off the van by groom Daniel Marquez.Cinco Charlie, Ricardo Santana Jr. up, wins the William Walker Stakes on Opening Night of the 2015 Spring Churchill Downs meet.Cinco Charlie, Ricardo Santana Jr. up, wins the William Walker Stakes on Opening Night of the 2015 Spring Churchill Downs meet.Cinco Charlie, Ricardo Santana Jr. up, wins the William Walker Stakes on Opening Night of the 2015 Spring Churchill Downs meet.Cinco Charlie, Ricardo Santana Jr. up, wins the William Walker Stakes on Opening Night of the 2015 Spring Churchill Downs meet.Condo Commando jogged over the track in preparation for the Kentucky Oaks.Santa Anita Derby winner Dortmund arrived at Churchill Downs Sunday afternoon.Santa Anita Derby winner Dortmund arrived at Churchill Downs Sunday afternoon.Santa Anita Derby winner Dortmund arrived at Churchill Downs Sunday afternoon.Far Right before galloping a mile and a half with Laura Moquett aboard in preparation for the Kentucky Derby at Churchill Downs in Louisville, Kentucky.Far Right galloped a mile and a half with Laura Moquett aboard in preparation for the Kentucky Derby at Churchill Downs in Louisville, Kentucky.