When Kristy Walling was starring for Sullivan Central back in the early 2000s, some of the Lady Cougars’ conference foes included Happy Valley, Unicoi County, Johnson County and Elizabethton. The same foes will line the district docket once more in Walling’s first year as head coach of the Lady Cougars, which coincides with Central’s move into the Class AA Three Rivers Conference. “I’m excited about it.