<Tr> <Th> Average attendance </Th> <Td> 20,746 </Td> </Tr> <Tr> <Td_colspan="2"> ← 2017 2019 → </Td> </Tr> <P> The 2018 Major League Soccer season is the 23rd season of Major League Soccer, top division of soccer in the United States and Canada . The regular season began on March 3, 2018 and will conclude on October 28, 2018 . The MLS Cup Playoffs will begin on October 31, 2018 and conclude with the MLS Cup 2018 on December 8, 2018 . The league will take a nine - day hiatus in early June for the 2018 FIFA World Cup, reduced from previous breaks . </P> <P> One new club has joined the league as an expansion franchise: Los Angeles FC . Also, this is D.C. United's first season in their new soccer - specific stadium, Audi Field . </P>

When does the major league soccer season start