What we know so far about the MLS expansion teams in 2019 and heading into 2020. Of course, MLS is unique in the vast area and population it covers. We're just four months into 2019 but expansion is always on the mind. The 2020 Major League Soccer season will see more teams vying for MLS Cup than ever before as Inter Miami CF and Nashville SC enter the league to take the total number of clubs to 26. Canada and the United States’ combined population is around 365 million, so maybe 30 teams for that many people isn’t a stretch. Major League Soccer (USA) 2020 - Ergebnisse u. Tabelle: alle Paarungen und Termine der Runde. MLS, Heineken team up with legendary DJ David Guetta for 'United at Home' concert 13 hours 29 min ago Contest closing soon: Design the MLS anthem album art and win a trip to 2021 All-Star! Major League Soccer (MLS) started on the back of the success of USA ‘94, with the inaugural season taking place in 1996 with 10 teams. Like most American sports, it was divided into regional conferences, East and West, and since that first season the league has continued to grow.