Zion Childress is entering his third season at Kentucky and his fifth season of college football. The super senior has seen almost everything. The Wildcats are taking advantage of that experience in fall camp. At Kentucky Fan Day, Zion Childress got some reps at nickel when Kentucky went to a five defensive back set with Ty Bryant coming in the game to join Jordan Lovett at safety as Childress moved down into the slot. After playing strictly safety the last two seasons for defensive coordinator Brad White, Childress is embracing is new role that is closer to the action. “It’s going good. I fee…