In 1901, he joined city club Dundee and it was there that he enjoyed the peak of his career playing at the top level of Scottish professional football.

[5][6][7] He became club captain and achieved the great honour of being selected to represent Scotland v Ireland at Celtic Park, Glasgow on 21 March 1903.

After retiring as a professional footballer, he decided to emigrate to the United States and in July 1905 he set sail on the Furnessia.

Peter, who never married, died aged 53 on 4 February 1929 in St Francis Hospital, Litchfield, Illinois after a long illness.

He went to Benld in 1908 and accompanying Sam and his brother Willie on the trip was another ex-Cowdenbeath player, Jim Paton (who had also played with Notts County).

Peter Robertson at one time lived in the US with a John Hynd who had been a goalkeeper with Cowdenbeath and Newcastle United in England.