American Professional Soccer League was created in 1990.
Professional Arena Soccer League was created in 2008.
North American Soccer League was created in 2009.
American Indoor Soccer League was created in 2002.
"D.C. United is an American professional soccer club based in Washington, D.C. which competes in Major League Soccer (MLS), the top professional soccer league in the United States and Canada."
Major league soccer is played in the U.S.A.
The Tampa Bay Rowdies are not affiliated with Major League Soccer (MLS); rather, they are an American professional soccer team affiliated with the North American Soccier League (NASL).
yes it is you are correct.
Women's Professional Soccer was created in 2007.
Palau Soccer League was created in 2004.
Ultimate Soccer League was created in 2008.
Japan Soccer League was created in 1965.
National Soccer League was created in 1977.