USSF is the United Stated Soccer Federation. This is the national association affiliated with FIFA and which fields the US national team. There is also MLS, which stands for Major League Soccer, and is the foremost league for professional soccer in the United States.
Major Leauge Soccer, MLS. If you're gonna be a real fan, support the NY Red Bulls. If you're a fair weathered one, try Seatlle Sounders or LA Galaxy
Some acronyms for U.S. Pro Soccer would include the USSF which stands for the United States Soccer Federation and there are also three professional soccer league divisions under the United States Soccer Federation. Division I, the strongest and highest division, is made up of teams from MLS or Major League Soccer. Division II is made up of teams from the NASL or the North American Soccer League. Division III, the weakest and lowest division, is made up of teams from the USL Pro, or United Soccer Leagues Professional Division.
The MLS is the professional league in the United States and it stands for Major League Soccer.
The top flight is MLS, Major League Soccer.
NIDDK is a common acronym for the National Institute of Diabetes and Digestive and Kidney Diseases. This organization is part of the US Department of Health and Human Services.
By pro I guess you mean MLS which is the first tier of American soccer, in that case it's 15 teams.
David Beckham
The German American Bund
Strictly-speaking, CONMEBOL is not an acronym but a blended word or portmanteau for CONfederación sudaMEricana de FútBOL, FIFA's South American confederation of football (soccer in the US).
One can become a pro in soccer by joining a team around the area of residence. Then do a lot of practice.
the payment monthly for a pro soccer player is 12,550 monthly (average pay) 4500000000000000000000000000000000000000000000006.76 a day