He was only here a year, but he’s already a Kentucky legend. John Wall, UK’s first and only top overall NBA Draft pick, was back in Lexington this week for the “Pros vs. Dominican Republic” exhibition series. After a sensational rookie season in which he averaged 16.4 points, 8.3 assists and 4.6 rebounds per game, the 2010 Adolph Rupp Trophy winner caught up with CoachCal.com to talk about his return to Lexington, his thoughts on a future alumni game…