 He made his debut for the Republic of Ireland against Argentina at Dalymount Park, Dublin, on 13 May 1951, and had such a good game that he won a regular place in the side, building up to a total of 20 international caps.Ringstead played a significant part in Sheffield United's 7-3 defeat of Sheffield Wednesday in the Steel City derby at Bramall Lane on 8 September 1951, scoring two of the goals in the famous victory.In total, he played 247 league matches for the Blades and scoring 101 goals, in his eight years at Bramall Lane.