 However, at the end of 1927–28 season with league re-organisation and the amount of West Lothian clubs dwindling, they decided to turn amateur and leave the Juniors.It was 26 years later than Pumpherston Juniors joined the Edinburgh & District League for season 1954–55.Their first success came in 1957 when they defeated Bonnyrigg Rose Athletic at Albyn Park to win the Thornton Shield and the following season they shocked Junior football by going all the way to the Scottish Junior Cup final under the leadership of captain Vince Halpin.