Career
Though he captured a record fifteen Scottish National singles titles, as well as several Scottish Open singles titles, his greatest international victories came in doubles. He was especially successful in three North American forays which yielded a pair of United States. Open men"s doubles titles (1963, 1965), a pair of Canadian Open men"s doubles titles (1963, 1969), and the mixed doubles title of each nation in 1965. With Muriel Woodcock (née Ferguson) McCoig was runner-up in mixed doubles at the prestigious All-England Championships in 1968.
He represented Scotland in seven consecutive Thomas Cup (men"s international team) campaigns from 1957 to 1976.