 He also won 15 caps for Northern Ireland scoring 7 goals in the process.Most memorably, he scored 3 goals in a 1960 World Cup Qualifier against West Germany although Northern Ireland lost the match 4–3.Terry Neill ("Revelations of a Football Manager"1985), in remembering his own Northern Ireland days, refers to McAdams as one of "'the toothless ones', those players who had a habit of leaving their false teeth lying around... We called him 'Rocky' because of his scarred appearance.