Headed by the renamed $2.5 million GIII Nashville Derby Aug. 31, Kentucky Downs will stage six races worth at least $2 million apiece, including supplements for registered Kentucky-breds, at this year's seven-day race meet which runs Aug. 29 and 31 and Sept. 1, 5, 7, 8 and 11, the track said in a Wednesday release. The Kentucky Downs condition book features purses scheduled to total $35 million, including $16 million in Kentucky-bred money. The Kentucky Horse Racing Commission on Tuesday approved Kentucky Downs's purse enhancement request from the Kentucky Thoroughbred...