On 9 December 2013, Lyng was appointed as a selector with the Kilkenny senior team under Brian Cody. He captured his first silverware as a selector on 4 May 2014 when Kilkenny defeated Tipperary by 2–25 to 1–27 to win the National League title. On 6 July 2014, Lyng was on the sideline when Kilkenny won the Leinster Championship following a 0–24 to 1–09 defeat of Dublin in the Leinster final. Following a 3–22 to 1–28 draw with Tipperary in the All-Ireland final on 7 September 2014, Lyng's side went on to win the title after a 2–17 to 2–14 victory in the replay on 27 September 2014.