National Professional Soccer League may refer to either of two defunct professional soccer leagues:
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National Professional Soccer League (1967)
The National Professional Soccer League (NPSL) was a North American professional soccer league that existed for only the 1967 season before merging with the United Soccer Association (USA) to form the North American Soccer League. It was a "w ...
, merged with the United Soccer Association to form the North American Soccer League
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National Professional Soccer League (South Africa)
The National Professional Soccer League (NPSL) was a South African association football league that existed between 1971 and 1995. During those years, the league, however, had three completely different organisations.
History 1971–1977
In 1 ...
, a South African soccer league from 1971 to 1995
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National Professional Soccer League (1984–2001), originally the American Indoor Soccer Association
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