The starting cornerback battle opposite Maxwell Hairston was one many were watching closely during Kentucky’s preseason. Following spring practice, the program added Michigan transfer DJ Waller Jr. to compete for the starting spot. But it was a returning player who opened the season as a starter. With Waller missing the first game and being listed as questionable for Week 2, former Cincinnati transfer JQ Hardaway earned his second career start in the 31-0 victory over Southern Miss. In the Week 1 contest, the junior recorded two tackles and his first career interception in 31 defensive snaps. …