Major League Soccer (MLS) is the name of the men’s professional soccer league for both the United States and Canada. It was created by the United States Soccer Federation and founded in 1993. There are currently 22 major league soccer teams, with 19 in the U.S. and three in Canada. The league has plans to expand to 28 teams by the end of 2020. Read more at: https://nicholasfainlight.org/soccers-rise-in-popularity-in-the-us/