Kentucky Oaks contender Adore, trained by Steve Asmussen, gallops at Churchill Downs in Louisville, Kentucky.Justin Zayat (left) and Ahmed Zayat (right) owners of Triple Crown and Grand Slam winner American Pharoah, pose with the Kentucky Derby trophy at the Kentucky Derby Museum's new American Pharoah exhibThe Kentucky Derby Museum unveiled the new American Pharoah exhibit in the rotunda room.Fans and media gathered at the Kentucky Derby Museum to see the unveiling of the new American Pharoah exhibit.Davi Lopez gets a fist bump congratulations from Chris McCarron while trainer Bob Baffert watches. Lopez, the son of veteran rider Chuck Lopez, won his first career stake race, the William Walker withKentucky Derby contender Creator, trained by Steve Asmussen, gallops at Churchill Downs in Louisville, Kentucky.Toews On Ice, ridden by Davi Lopez, and trained by Bob Baffert, wins the William Walker Stakes on Opening Night at Churchill Downs in Louisville, Kentucky.Doug O'Neill, trainer of Kentucky Derby favorite Nyquist with media behind him.Trainer Doug O'Neill, walks Kentucky Derby favorite Nyquist under the shedrow after arriving from Keeneland Race Course.Trainer Doug O'Neill, walks Kentucky Derby favorite Nyquist under the shedrow after arriving from Keeneland Race Course.Trainer Doug O'Neill, walks Kentucky Derby favorite Nyquist under the shedrow after arriving from Keeneland Race Course.Smokey the Pony visits with a fan during morning workouts at Churchill Downs in Louisville, Kentucky.Kentucky Derby contender Gun Runner, trained by Steve Asmussen, gallops at Churchill Downs in Louisville, Kentucky.Kentucky Derby contender Lani, trained by Mikio Matsunaga, gallops at Churchill Downs in Louisville, Kentucky.Kentucky Derby contender Majesto, trained by Gustavo Delgado, gallops at Churchill Downs in Louisville, Kentucky.Kentucky Oaks contender Mo d'Amour, trained by Todd Pletcher, gallops at Churchill Downs in Louisville, Kentucky.Kentucky Derby contender Mor Spirit, trained by Bob Baffert, gallops at Churchill Downs in Louisville, Kentucky.Kentucky Derby contender Mo Tom, trained by Tom Amoss, gallops at Churchill Downs in Louisville, Kentucky.Kentucky Oaks contender Nickname, trained by Steve Asmussen, gallops at Churchill Downs in Louisville, Kentucky.