If there was a position group that really couldn’t afford any depth hits for Kentucky football, it was running back. Then Chip Trayanum, the prized transfer addition from Ohio State, went down with a broken hand to take him out the remainder of fall camp and the start of the regular season. That leaves the Wildcats with just one upperclassman in Demie Sumo-Karngbaye to go with redshirt freshman Jamarion Wilcox and true freshman Jason Patterson while true freshman Tovani Mizell is a wildcard after missing his senior season in high school with a torn ACL — healthy, but probably not someone you w…