Major League Soccer
The professional soccer league in the U.S.
2 Conferences: Eastern Conference and Western Conference
23 Teams
FIFA is the governing body for world football. It represents 6 confederations and 211 associations across Africa, Asia, Europe, North and Central America and the Caribbean, Oceania, and South America.
U.S. Soccer is the governing body for all soccer (recreational and competitive play) in the U.S. They oversee both men's and women's soccer as well as youth teams.