Soccer Almanac
American soccer writing, history & data.
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Leagues A to Z
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League
Abbreviation
Years
National Association Football League
NAFL
1895-1900
National Association Football League
NAFL
1906-1921
National Independent Soccer Association
NISA
2019-2024
National Indoor Soccer League
NISL
2008-2009
National Premier Soccer League
NPSL
2005-present
National Professional Soccer League
NPSL
1967-1967
National Professional Soccer League
NPSL
1984-2001
National Soccer League
NSL
1924-present
National Soccer League
NSL
1926-1941
National Soccer League
NSL
1946-1978
National Soccer League
NSL
1952-1953
National Soccer League, Second Division
NSL-D2
1975-1978
National Soccer League
NSL
1979-1992
National Unlimited Soccer League
NUSL
1953-1954
National Women's Soccer League
NWSL
2013-present
New England Soccer League
NESL
1914-1924
North American Soccer Football League
NASFL
1946-1947
North American Soccer League
NASL
1968-1985
North American Soccer League
NASL
2011-2017
North American Soccer League Budweiser Indoor Soccer Invitational
NASL-BISI
1979-1979
North American Soccer League Grand Prix of Indoor Soccer
NASL-GPIS
1983-1983
North American Soccer League Indoor League
NASL-Indoor
1979-1984
North American Soccer League Indoor Tournament
NASL-IT
1975-1976
North American Soccer League Professional Hoc-Soc Tournament
NASL-PHS
1971-1971