The same year their entire squad was selected en masse to represent the United States at the inaugural North American soccer championship.
[6] In 1947 Ponta Delgada again reached the final of both competitions, and this time they won the first ever Challenge Cup/Amateur Cup double.
On August 31, in the first leg of the Challenge final, they defeated Chicago Sparta 6-1 at home with Ed Souza scoring another two goals.
On September 7 they completed the double when they won the away leg 3-2 with goals from Valentine, Ferreira and Jim Delgado.
[1][7][8] In 1948 they completed another double when they won both the National Soccer League of New England and their third Amateur Cup in three years after beating Pittsburgh Curry Vets 4-1 in the final on May 23.
The 1951-52 and 1952-53 seasons saw Ponta Delgada join the American Soccer League, playing in the New England Division together with Fall River S.C.
[10][11] In 1947, after Ponta Delgada won the National Challenge Cup / National Amateur Cup double, the team was selected en masse to represent the United States at the North American soccer championship where they played against Mexico and the host team, Cuba.