It doesn't take long for the Kentucky Downs meeting to hit full gear, as Saturday's program features three graded contests, including the GIII DK Horse Nashville Derby Invitational Stakes, with prize money that could reach $3.1 million. The purse remains intact should one of the 10 Kentucky-breds--eight in the main body of the field and two also-eligibles--is home first over the mile and five-sixteenths journey along the Kentucky/Tennessee border. The four foreign raiders are ineligible for the KTDF money, but the base purse of $2.5 million already makes it one...