MLS has expanded more than any major global sports league during the last decade. Several dynamic new MLS ownership groups an ... d expansion teams will join MLS in the next few years including Charlotte in 2022 and St. Louis in 2023. World-class soccer stadiums have also been a key focus for the league. MLS stadium construction continues in 2021 as a minimum of three more stadiums (Miami and St. Louis) will open in the next few years. read more