Kentucky can change the trajectory of its season with a win Saturday at Ole Miss. The Rebels are ranked No. 6 in the AP Poll and have the No. 1 offense in the country, outscoring their opponents 220-22 through four games. The Cats are a significant step up in competition, but can Kentucky’s elite defense slow down the high-flying Rebels? Some of the KSR staff think so. The national media? Not so much. No one is picking the Cats to upset the Rebels, but some experts do believe Kentucky will cover the spread. After sitting at -17.5 Ole Miss most of the week, the spread moved to -15.5 overnight. …