Ballymena pair Dwayne Nelson and Mark McCullagh sign new contracts Ballymena United duo Dwayne Nelson and Mark McCullagh have signed new two-year deals with the Showgrounds club. Nelson started his career at Ballymena and the goalkeeper returned after spells with Coleraine, Limavady United and Dungannon Swifts. The 28-year-old represented Northern Ireland at youth level. Denfender McCullagh, who won the Scottish Third Division with Alloa Athletic last season, made his first-team debut for Ballymena in February.