In 1947, a St. Louis amateur soccer team sponsored by Carrenti Cleaners changed sponsorship to the Joe Simpkins Ford Auto dealership.
The League featured only four teams, De Andreis, St. Louis Raiders, Steamfitters and Simpkins.
While most National Cups have been decided in a single game, this year the organizers opted for a home and away series.
In that tournament, the U.S. went 1–2, but its victory was the greatest upset of World Cup history as the U.S. defeated heavy favorites England.
Despite the addition of a post-season, the St. Louis Major League folded at the end of the season when their stadium was sold.
Simpkins also went to the semifinals of the National Challenge Cup before falling to Los Angeles Danes.