Major League Soccer ( MLS) is a men's professional soccer league, sanctioned by U.S. Soccer, that represents the sport's highest level in both the United States and Canada. MLS constitutes one of the major professional sports leagues of the United States and Canada. The league comprises 22 teams-19 in the U.S.
Association football, more commonly known as football or soccer, is a team sport played between two teams of eleven players with a spherical ball. It is played by 250 million players in over 200 countries and dependencies, making it the world's most popular sport.
The highest-level men's professional soccer league in the U.S. is Major League Soccer. MLS began play in 1996 with 10 teams, and has grown to 22 teams (19 in the United States and 3 in Canada), with further expansion planned.
The Fédération Internationale de Football Association ( FIFA ; French for "International Federation of Association Football") is a private association which describes itself as an international governing body of association football, futsal, and beach soccer. FIFA is responsible for the organization of football's major international tournaments, notably the World Cup which commenced in 1930 and the Women's World Cup which commenced in 1991.